FILE - Actress Michelle Trachtenberg poses for a portrait during the Sundance Film Festival in Park City, Utah, on Jan. 19, 2009. (AP Photo/Mark Mainz, File)
FILE - Michelle Trachtenberg appears at The Art of Elysium's Ninth annual Heaven Gala in Culver City, Calif., on Jan. 9, 2016. (Photo by Rich Fury/Invision/AP, File)
FILE - Actors and fellow "Gossip Girl" cast members Michelle Trachtenberg, left, and Blake Lively appear at the 2009 CFDA Fashion Awards in New York, on June 15, 2009. (AP Photo/Evan Agostini, FIle)
FILE - Michelle Trachtenberg appears at the Critics' Choice Television Awards in Beverly Hills, Calif., on June 19, 2014 (Photo by Richard Shotwell/Invision/AP, File)
FILE - Actor Michelle Trachtenberg, left, who portrays Dawn, Buffy's sister Emmy, playfully spears series producer-creator Joss Whedon, during the taping of the final episode of "Buffy the Vampire Slayer" in Santa Monica, Calif., April 16, 2003. (AP Photo/Damian Dovarganes, File)
FILE - Michelle Trachtenberg appears at the premiere of "Defiance" during AFI Fest 2008 in Los Angeles on Nov. 9, 2008. (AP Photo/Matt Sayles, File)
AP2009
FILE - Actress Michelle Trachtenberg poses for a portrait during the Sundance Film Festival in Park City, Utah, on Jan. 19, 2009. (AP Photo/Mark Mainz, File)
