Selena Gomez showed skin in a sexy white dress with a high slit to hit the blue carpet at the 2013 Billboard Music Awards in Las Vegas tonight. She also took the stage to perform her hit single “Come & Get It" as well as present during the show. Selena gave fans a sneak peek at her sexy Bollywood-inspired choreography with a YouTube video earlier in the week. Selena also made headlines before the big night when speculation arose that she would possibly be seated next to her on-again and off-again beau, Justin Bieber, in the audience this evening. The rumors gathered steam as reports suggested that the pair reunited in Las Vegas ahead of the big award show. Selena and Justin reportedly got cozy at Cirque du Soleil's Love show last night. We will be watching to see if Selena takes a seat next to Justin when the big show begins!

Jennifer Lopez wore a sexy gold Zuhair Murad gown with a plunging v-neck to hit tonight's blue carpet at the Billboard Music Awards in Las Vegas. In typical J Lo fashion, she wasn't afraid to show off some skin thanks to the daring neckline. Her beau Casper Smart accompanied her for the big night out. Jennifer will not only be in the audience but she also has a performance during tonight's show as well. She got in a bit of practice ahead of her performance tonight since she made her return to American Idol on its season finale on Thursday. Jennifer sang her new song "Live It Up" alongside Pitbull, and she is set to perform the same track tonight. Get a rundown of all the designer looks at the Billboard Awards with POPSUGAR Fashion's live red carpet slideshow!

A Marchesa-clad Jessica Biel joined her husband, Justin Timberlake, at his Inside Llewyn Davis premiere in Cannes this evening. The pair showed PDA as Justin wrapped his arms around his wife while walking the carpet. The film's leading lady, Carey Mulligan, who wore a stunning Vionnet number for the big event, accompanied Justin and Jessica. Tonight's red carpet was a couple's affair as L'Wren Scott-clad Nicole Kidman was accompanied by doting husband, Keith Urban, and Kirsten Dunst, who wore a Michael van der Ham gown, stepped out in support of boyfriend Garrett Hedlund, who stars alongside Justin and Carey in the film.

Jessica popped up in Cannes after making a fashionable stop in Monaco. She took a front row seat at Dior's runway show along with Marion Cotillard yesterday. Her husband has kept equally busy since he attended the photocall and press conference for his Inside Llewyn Davis alongside Carey and his crew this morning and also showed support for Spinning Gold on the festival's opening day last week.

Jessica Biel, who wore a glamorous Dior gown, joined the face of the brand, Marion Cotillard, for Dior's Cruise Collection show on Saturday in Monaco. Also in attendance for the fashionable affair were Liv Tyler and Ruth Wilson. Marion switched her focus from jewels to dresses for the runway show after she attended a Chopard lunch at the Cannes Film Festival on Friday. The event took an unexpected turn after $1 million worth of Chopard jewelry was stolen the night before the celebratory occasion.

Jessica popped up in Monaco while her husband, Justin Timberlake, took care of business not far away at the Cannes Film Festival. Justin attended a photocall with his costars Carey Mulligan, Garrett Hedlund, and Oscar Isaac for their new Coen brothers film, Inside Llewyn Davis today.

Jennifer Lawrence dressed up in a Dior gown to hit the red carpet at the Cannes Film Festival for the Jimmy P.: Psychotherapy of a Plains Indian premiere tonight. She was joined by her Catching Fire crew: Liam Hemsworth, Sam Claflin, and director Francis Lawrence. Also in attendance to show their support for Jimmy P., which stars Benicio del Toro, were Calvin Klein-clad Doutzen Kroes; Eva Longoria, who wore Atelier Versace; and Jane Fonda. Steven Spielberg, who is serving as one of the jurors at this year's festival, was joined by wife Kate Capshaw for the glamorous event at the Palais des Festivals.

It was quite the day for Jennifer and her men, who were busy promoting their own film in Cannes this morning. Jennifer, Liam, and Sam posed for a Catching Fire photocall after Liam hit the town last night for the Belvedere bash.

Kate Hudson posed with a newspaper for a fun photo shoot in Beverly Hills yesterday. She was accompanied on the set by her pregnant sister-in-law, Erinn Bartlett, who is married to Kate's brother, Oliver Hudson. Erinn looked after Kate's son Bingham Bellamy while Kate got pretty for the cameras. Kate mixed work and family after taking time out to focus on those closest to her earlier this month. She visited a winery in Santa Barbara in the company of fiancé Matthew Bellamy and stepdad Kurt Russell last week and also spent a sunny day with Bing and Matthew at the beach. Kate will soon have even more to juggle since she's due to begin filming her new project, Good People, with James Franco in London this month.

Bradley Cooper was sporting tight curls for an afternoon of work on American Hustle with Amy Adams in NYC yesterday. The set of David O. Russell's latest film has seen many interesting looks due to its '70s setting, and Amy kept up with the trend in a revealing V-neck dress for her latest day in front of the cameras. Amy and Bradley star along with Jennifer Lawrence, who is currently in Cannes promoting her other film, Catching Fire.

Bradley has been pulling double duty lately since he's filming his latest project while also promoting the finale of his Hangover trilogy. The Hangover Part III hits theaters on Thursday, and Bradley made a fun promotional stop on Late Night With Jimmy Fallon in the Big Apple earlier this week. He took on the host in a hilarious game of "faceketball" while chatting up the film.

It was an exciting week for stars between film festivals, family, and bikini fun. Miranda Kerr got sexy in a swimsuit for a hot Miami photo shoot, while Leonardo DiCaprio linked up with his The Great Gatsby costars for a glamorous photocall in Cannes. Jennifer Aniston hit the pavement in NYC for a shopping trip with fiancé Justin Theroux, and Jennifer Lopez turned up the heat during her performance on the American Idol finale.

That's not all the fun to go down this week — click through the rest of the great snaps!

Kate Middleton wore sneakers and jeans to brave the London rain for a shopping trip on Tuesday. She carried her own bags as she made her way to a car after a visit to a home store. Perhaps pregnant Kate was shopping for her new home, Apartment 1A at Kensington Palace, where she and Prince William will move into this Fall. Will and Kate will not go at it alone since they recently hired Antonella Fresolone, a former housekeeper for Queen Elizabeth II, to help them with running their new household.

Kate joined Prince William at a wedding on Saturday to watch pals William van Cutsem and Rosie Ruck Keene tie the knot in a small town in South Oxfordshire. Kate reportedly recycled her polka-dot Topshop dress, which she wore to a Warner Bros. Studios tour last month, to wear to the wedding.

John Krasinski was joined by his wife, Emily Blunt, for the final screening of NBC's The Office last night in LA. The Office era came to a close after nine seasons with the airing of the series finale yesterday. John said goodbye to his beloved character of Jim, after sharing a special moment with onscreen love Pam in the episode. He took to his social media account to reveal his emotions over the end of the show, writing, "So this is it. There's truly nothing I can say to tell you all how much your love and support of this show has meant. Thank you. Thank you!"

Although it was obviously an emotional occasion for The Office crew, John revealed that no tears were shed on the final day on set explaining, "I don't think there were any tears. I'm saving mine for Barbara Walters! But the only thing that prevented us from having a meltdown is we're all so proud of the show." That's not to say there were dry eyes at all times since he did admit to tearing up during the retrospective that aired ahead of the final episode. The finale also held a heart-felt surprise with the return of a special member of the cast — were you satisfied with how things ended for The Office? Be sure to weigh in with our poll!

Kim Kardashian donned a white dress with an attached cape to film a scene with mom Kris Jenner for her reality show Keeping Up With the Kardashians at Stanley's Restaurant in LA yesterday. Kim may have been channeling another star through her fashion choice — her outfit was reminiscent of Gwyneth Paltrow's white Tom Ford caped dress from the 2012 Oscars.

Kim, who is due in July, is preparing for a big celebration soon. Her baby shower will reportedly be held on June 2, and special invitations were already sent out for the baby-themed bash. In typical Kardashian fashion, the invites were printed on not your regular shower stationery but rather came in the form of music boxes with a wind-up ballerina that played a special tune when opened. There was no mention of a baby registry, but there were reports last month that Kim and Kanye would not accept baby gifts and instead would be requesting guests to make a donation to Chicago's Lurie Children's Hospital.

Marion Cotillard donned a strapless Vivienne Westwood gown to join Colin Firth at the Chopard lunch as part of the festivities for the Cannes Film Festival today. Marion and Colin celebrated the jewelry brand, which is responsible for creating the festival's Palme d'Or trophy, as well as best actor and actress awards. The celebratory lunch comes at an interesting time for the brand since it was revealed that $1 million worth of Chopard jewels were stolen from a hotel room in Cannes last night. The jewelry was to be loaned as red carpet pieces to the stars at the festival. Many drew comparisons between last night's burglary and the film, The Bling Ring, which coincidentally debuted at the festival yesterday, since the movie is based on the real-life case of teenage burglars who robbed the Hollywood homes of celebrities.

Megan Fox turns 27 today! She's been heating up Hollywood for years, and to celebrate her big day, we're taking a look at some of her sexiest shots. Megan has had plenty of steamy red carpet appearances, lingerie photo shoots, and hot bikini moments during her career, but we've narrowed them down to 27 of the hottest pictures. Click through to see them all!

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Patrick Dempsey hit the beach shirtless with his wife, Jillian, and their three children, Tallulah, Darby, and Sullivan, in the Caribbean on Tuesday. The tropical vacation may be a celebratory one since Patrick wrapped yet another season with his long-running show Grey's Anatomy. The season nine finale airs tonight on ABC, and the network recently announced more good news, revealing that Grey's will be renewed for a 10th season.

Before Patrick headed off on vacation, he took time to meet with cancer survivors at the Tuesday start of the Amgen Tour of California, which is America's biggest cycling event. Patrick is an ambassador for the tour and for the Breakaway From Cancer charity, which is involved in "supporting the riders and honoring local cancer survivors from tour communities throughout the race."