Self-PortraitistsWiz Khalifa, Sofia Vergara & More Celebrity Twitter Pictures (PHOTOS)Jean Trinh04.14.13Self-PortraitistsWiz Khalifa, Sofia Vergara & More Celebrity Twitter Pictures (PHOTOS)Heidi Klum gets ready to host America’s Got Talent, Avril Lavigne channels her teenage years, plus more of the week’s best celebrity Twitter photos. Jean Trinh04.14.13 7:00 AM ETvia Twitter Heidi Klum gets ready to host America’s Got Talent, Avril Lavigne channels her teenage years, plus more of the week’s best celebrity Twitter photos. Heidi KlumFans of NBC’s America’s Got Talent have a lot to look forward to in the upcoming eighth season, which premieres on June 4. Model Heidi Klum tweeted this group photo with fellow judges Melanie Brown (a.k.a. Mel B.), Howard Stern, and Howie Mandel backstage. “The judging panel this season is a funny combination, but it works,” Brown told New York Daily News. “We’re all from different backgrounds and different worlds.” Kevin Hart“I’m f*cking loving Cannes France,” Kevin Hart tweeted to fans, accompanying this selfie of himself standing with open arms next to a row of boats. The creator of BET’s Real Husbands of Hollywood jet-setted over to other side of the world to promote his show at the MIPTV trade show. It was erroneously reported earlier this week that Chris Rock would replace Robin Thicke on the comedic show in the upcoming season. Eliza DushkuWork it! Eliza Dushku posted this photo on Twitter of herself, giving a “dash of cheeky side-eye” with her pursed magenta-tinted lips. The former Buffy the Vampire Slayer actress is starring in the reboot of action-film-turned-TV-show The Saint, and a trailer for the show, executive produced by Roger Moore, was released earlier this month. Gisele Bündchen Gisele Bündchen joined Instagram earlier this week and posted this photo to fans, posing demurely, shirtless, and wrapped in the Brazilian flag. Welcome, Gisele! If this is just a sneak peek of what’s in store, we can’t wait for more! P. DiddyP. Diddy and the Iron Sheik? That’s a pairing we wouldn’t have expected. The rapper tweeted this photo of himself backstage with the WWE wrestling icon. Rumors of P. Diddy dating Kate Upton recently sent the Twitterverse aflutter, and some took to thinking up new names for the couple—from “Kat-a-Combs” to “Puffton.” Avril LavigneThe Canadian songstress time-traveled back to her high school days as she posed in this Twitter pic, dressed up for prom with a crown and heavy eyeliner—reminiscent of rock band Hole’s Live Through This album cover art. The 28-year-old joined her band in the filming of their “Here’s to Never Growing Up” music video in Los Angeles this week, as reported by the Daily Mail. Sophia Bush “Guys,” tweeted Sophia Bush. “It's official. I have a boyfriend. His name is Eddie.” However, the former One Tree Hill cast member was referring to designer Dannijo’s earrings, dubbed as “Eddie.” You almost got us there, Sophia! Wiz Khalifa “One of the largest selfies ever,” Wiz Khalifa tweeted about his snapshot with Los Angeles hip-hop radio station, Power 106 FM’s crew. It’s been quite a year for the rap star, as he and fiancé Amber Rose had their first child, Sebastian, earlier this year, and he recently announced that he’ll be dropping a new album some time in 2013, as reported by MTV. Sofia Vergara Selfie on selfie! A glowing Sofia Vergara posted this picture to Twitter of herself gingerly kissing a bottle of TotyÑon—a beverage with her own face on the label. The Modern Family blonde bombshell is currently shooting in New Orleans with Jason Statham in a reboot of the film Heat. Mario Lopez A smiling and dimpled Mario Lopez posed with Ukrainian beauty Olga Kurylenko in front of fans for this Twitter pic in advance of her interview on Extra. The actress’s film, Oblivion, will hit theaters on April 19. Ludacris Ludacris seems to be color-coordinating… with his plane! In this Twitter snapshot, the rapper donned the same red, white, blue striped color motif as his jet, and captioned his photo, “Me & my plane matching today!! #nowthatsludacris.” He’ll be reprising his role as Tej Parker in upcoming Fast and Furious 6, out May 24. Rainn Wilson Always the funnyman, and often bizarre, The Office cast member Rainn Wilson took a moment to pose with bunny ears in his dressing room. The final episode of the long-running sitcom will air on May 16.