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Katie Holmes

Alo Ceballos/GC Images

Attention, film buffs!

This year's Tribeca Film Festival kicked off earlier this week, and Hollywood's biggest names have started to flock to all the New York City movie premieres and parties.

Katie Holmes was just one of the big names who showed up to help celebrate the film festival. And we must say she looked especially chic in a zippered navy frock! 

Chelsea Clinton attended the premiere for Of Many (in which she served as executive producer), after announcing her pregnancy this week. Clinton took to Facebook and wrote, "Marc and I are so thrilled to be expecting our first child in the fall! Thank you for all of the kind words!" 

Aubrey Plaza

Mike Coppola/Getty Images for the 2014 Tribeca Film Festival

The festival opened with a performance by Nas at the legendary Beacon Theater, in which Girls star Jemima Kirke was in attendance.

The View panelist Whoopi Goldberg took a break from her daytime hosting duties to be a part of IWC Schaffhausen's "For the Love of Cinema" private dinner on Thursday. During the night's festivities, she was joined by the festival's co-founder Robert De Niro, Susan Sarandon and Heather Graham

More celebs expected to attend the festival include Adam Brody and Leighton Meester(marking their first public appearance as husband and wife), Robin WilliamsBryan CranstonNikki ReedSigourney Weaver, Marisa Tomei and Kevin Spacey

Take a look at all the star sightings during 2014 Tribeca Film Festival in our gallery below.