Self-PortraitistsBest Celebrity Twitter Pictures11.04.11Self-PortraitistsBest Celebrity Twitter PicturesLindsay Lohan gets new teeth before heading to jail, Justin Timberlake shows his domestic side, and the Glee cast takes a group nap. Plus, more of the stars’ Twitter photos from this week.11.04.11 1:00 AM ET Lindsay Lohan gets new teeth before heading to jail, Justin Timberlake shows his domestic side, and the Glee cast takes a group nap. Plus, more of the stars’ Twitter photos from this week. Courtesy of WhoSay.comLindsay LohanLindsay Lohan has had a rough couple weeks. The troubled actress violated her probation and has been sentenced to more jail time. But on the upside, at least her teeth are shiny. Lohan was photographed last week sporting what appeared to be a decaying, yellow smile. But she recently showed the world that her teeth were one problem she was able to fix. Lohan tweeted a photo via her WhoSay account of her newly whitened smile. “Thanks Dr. Dorfman for the zoom,” she tweeted. “My gums are so sore though!” Justin TimberlakeJustin Timberlake nabbed his second lead role in a film with In Time—but the heartthrob is set out to prove he’s no diva. The pop star-turned-actor held a “Twitter Q&A” for his followers on the day the action film was released and even did his own laundry. At the end of the Q&A, Timberlake tweeted a photo of himself next to a dryer and wrote, “Got some fluffing and folding to do.” Selena GomezWhile this dog’s daddy is dealing with his own paternity problems, his mom, Selena Gomez, is spending lots of quality time with Baylor, her newest rescue with boyfriend Justin Bieber. Though Bieber is still trying to warm up to the blue-eyed husky mix, Gomez is evidently in love. She tweeted a photo of herself cuddling up to the puppy and celebrating the end of her “We Own the Night” tour. “LAST DAY OF TOUR!!” she wrote. Kelly OsbourneStars dressing as other stars proved to be a popular theme for the red carpet bunch on Halloween. Kelly Osbourne showed off her toned figure by dressing up as Jennifer Lopez, while her E! Fashion Police co-star, comedienne Joan Rivers impersonated a tinier member of the Hollywood world: Katie Holmes and Tom Cruise’s 5-year-old daughter, Suri. The co-hosts struck a pose and Osbourne tweeted the photo, writing, “i love this pic… it makes me laugh every time i look at it!” Matthew PerryFormer Friends star Matthew Perry, who has battled substance abuse, recently lent his voice and star power to the National Association of Drug Court Professionals. The group met with members of Congress to discuss federal funding for Drug courts. In a photo that Perry tweeted from Capitol Hill, however, he was seen coveting a far less harmful substance: Red Bull. The actor hugged a Red Bull machine and tweeted, “The only one on capital hill.” Lea MicheleLea Michele is working hard to make her alleged last season on Glee a memorable one. The actress and the rest of the cast put in long hours on Halloween and were so exhausted, they took naps on makeshift beds from their chairs. “We got to work 13 hours ago and have been dancing for almost 8 hours! It’s nap time!” Michele tweeted. Courtesy of WhoSay.comEllen DeGeneresTalk-show host Ellen Degeneres took a page out of Joan Rivers’s book and modeled her Halloween costume after a little girl. In this case, it was 8-year-old Sophia Grace Brownlee, who gained YouTube fame for her rendition of Nicki Minaj’s “Super Bass.” The video earned the tiny Brit a guest spot on Ellen’s show, where she met and sang a duet with Minaj herself. Meeting Brownlee apparently inspired Degeneres to recreate the moment on last week’s Halloween episode. The host tweeted a snapshot via her WhoSay page dressed as Brownlee in full ballerina garb and asked her followers, “What did y’all think of my costume?” Anderson CooperIn his job as CNN news anchor, Anderson Cooper has met and interviewed everyone from Lady Gaga to his own mother. But it wasn’t until Halloween this year that Cooper met the Mistress of the Dark, Elvira. Though the actress wasn’t in the CNN building to talk to Cooper (HLN’s Joy Behar had that pleasure), he was very excited to see her. Cooper tweeted a photo of the two of them and wrote, “Amazing who you meet in the halls of cnn. Elvira! Sharon OsbourneThe Talk co-host Sharon Osbourne may be the wife of the Prince of Darkness, but she can still don a good witch’s costume. The Talk hosted a special Wizard of Oz-themed episode on Halloween and Osbourne dressed in the pink and puffy attire of Glinda the Good Witch. She tweeted a photo of herself backstage, getting the finishing touches on her costume. “Well at least I can be a good witch for one day,” Osbourne tweeted. Ginnifer GoodwinThe cast of ABC’s Once Upon a Time had plenty to celebrate on Halloween—their new fantasy drama series brought in nearly 13 million viewers in its first episode. For Halloween, however, three of the show’s main stars dressed up in homage to a different sort of fantasy series: Harry Potter. Ginnifer Goodwin, who plays Snow White on the show, tweeted a photo of herself with co-stars Josh Dallas and Jennifer Morrison, dressed as Harry, Ron, and Hermione, respectively. “only 364 days til nxt Hween!” Goodwin tweeted. Courtesy of WhoSay.comJesse Tyler FergusonModern Family star Jesse Tyler Ferguson proved that both he and his boyfriend Justin Mikita know how to show support for the competition. Ferguson posted a photo via WhoSay of the two in their Glee-inspired Halloween costumes, tweeting, “Look it’s @justinmikita as Sue Sylvester with a hot cheer leader. Go Bullfrogs!” Kat Dennings2 Broke Girls star and self-proclaimed weirdo Kat Dennings, tweeted a photo of herself with fashion photographer Terry Richardson, who photographed her for GQ’s November issue. “Terry Richardson and me. Thank you, Terry!! #GQ” Dennings tweeted.