We hear the Twilight star will be on hand later this month at the opening of La Vida restaurant and lounge in Hollywood. The night will benefit the American Red Cross' recovery efforts on the disaster-stricken Caribbean island...
Other celebs expected to attend include our Dancing With the Stars/Brothers & Sisters pal Gilles Marini, Without a Trace star Anthony LaPaglia and members of the actors' Hollywood United Football Club.
Stewart's been busy working for the cause in other ways as well. As our pals over at the Awful Truth first told you last month, four people paid a nice sum of cash for a trip to the Sundance Film Festival to hang with Stewart.
In other celebrities-helping-Haiti news, Kris Allen tells us he will make a trip there, but he promises not to turn it into a photo op. "I'm going to go in March," the American Idol winner says. "Simon Fuller asked me, 'You want to go to Haiti?' and I was like, 'Absolutely!' I want to help out in any way I can."
Singer Usher and New Orleans Saints player Will Smith have teamed up with the United Nations Foundation to send a medical clinic to Haiti. The two men asked youths around the world to do what they can to raise $5 each to help them in their efforts.
And former bad-girl supermodel Naomi Campbell's Fashion for Relief-Haiti NYC, 2010 will take place Feb. 12 to benefit CARE's work to aid mothers and their babies in Haiti. Hosted by Duchess of York Sarah Ferguson, the event's runway show will be styled by reality-TV fashionista Rachel Zoe.