Self-PortraitistsShakira, Kim Kardashian & More Celebrity Twitter Pictures (Photos)Jean Trinh03.17.13Self-PortraitistsShakira, Kim Kardashian & More Celebrity Twitter Pictures (Photos)Ke$ha parties in Sin City, Kevin Hart reps Philly, Julianne Hough gets surgery, plus more of the stars’ Twitter photos from this week.Jean Trinh03.17.13 10:59 AM ET Ke$ha parties in Sin City, Kevin Hart reps Philly, Julianne Hough gets surgery, plus more of the stars’ Twitter photos from this week. Kevin HartNorth Philadelphia, born and raised ... Pennsylvania native Kevin Hart showed off his Philly pride during a photo shoot this week, tweeting this pic of himself wearing an afro wig and a retro 76ers outfit with some very short shorts. The comedian hosted “Saturday Night Live” for the first time earlier this month. Alessandra AmbrosioWouldn’t you want to be invited to this Victoria’s Secret party? Swimsuit model Alessandra Ambrosio posed with her fellow Angels Candice Swanepoel and Karlie Kloss in this photo she shared with her fans. Kloss was indoctrinated into the Angels crew this week—a major step up from her previous role as a Victoria’s Secret Pink model. Congrats, Karlie! Jessica Alba“Bye NY I’ll miss you!” Jessica Alba wrote to her fans this week about this selfie she tweeted. The fresh-faced actress spent time on the East Coast promoting her new book, The Honest Life: Living Naturally and True to You, a nonfiction work promoting healthy living through her personal stories. Julianne HoughOuch! The usually chipper Julianne Hough tweeted this Instagram of herself sans makeup after some major root-canal surgery. Despite her serious expression, she joked, “I've got chipmunk cheeks and Botox looking lips!” We’re glad to see the Safe Haven star is staying positive, as TMZ reported that $100,000 worth of jewelry given to her by boyfriend Ryan Seacrest was stolen out of her car last week! Kim KardashianStop the presses! Not only did Kim Kardashian recently reveal her new “blunt bangs,” but she also reported that she’s in love ... with an adorable pup. The mother-to-be welcomed Khloé Kardashian and Lamar Odom’s new boxer to the family in this photo she posted on Twitter. Paris HiltonSocialite Paris Hilton rubbed elbows on set of rapper Birdman’s music video, “Tapout,” in this Twitter pic, posing next to a stunning Christina Milian. She captioned the photo, “[Milian] is such a cool chick!” The track also features Nicki Minaj, Lil Wayne, and Future. ShakiraFinally, the world gets to see Shakira’s new baby, Milan! The Voice judge’s boyfriend, Gerard Piqué, tweeted their first public family portrait at a soccer game. Like father, like son, the little tyke was outfitted in a jersey of Pique’s soccer team, Futbol Club Barcelona. Ke$haKe$ha sure knows how to party, especially in Las Vegas. The “Tik Tok” singer, flanked by two men in a casino, captioned the pic she tweeted to fans, “I’m a boss.” She performed at Pure’s eighth anniversary at Caesars Palace in flower-power garb. Shaquille O’NealEver the jokester, former NBA basketball player Shaquille O’Neal dressed up this pit bull in a Kangol hat and specs in this hilarious Twitterverse snapshot. Shaq Attack was recently spotted at SXSW, speaking on social media and calling himself “the world’s tallest geek.” Penn JilletteLas Vegas would not be the same without these veteran performers! Penn and Teller took a moment to pose backstage with magician great Siegfried Fischbacher in this Twitter pic. Penn called Siegfried “a real star in a lambskin jacket” and joked about himself looking like a plumber. Milla Jovovich“You never know with me, I might leave bald by the end of the day!” Milla Jovovich jokingly tweeted to fans about her new short tresses she got for an Italian photo shoot. It was just announced that her husband Paul W.S. Anderson is slated to direct the next Resident Evil 6 flick, with Jovovich reprising her role as Alice in the videogame-turned-film franchise. Cindy CrawfordCindy Crawford can do no wrong. The supermodel looked classy and glamorous as ever, posing by a pool with the Hollywood sign in the background, in this image she posted for her followers during a Harper’s Bazaar photo shoot.