The Tribeca Film Festival is underway in NYC, and many stars came out over the weekend for premieres and afterparties. Naomi Watts and Liev Schreiber hit the red carpet for a screening of his Every Day, and Selma Blair was there to support Rashida Jones's Monogamy. Kirsten Dunst's directorial debut, starring Brian Geraghty, was a big draw on Friday, and Alexander Skarsgard left Kate Bosworth and her bikini for an evening to promote his Metropia — click through to see who else was there!