Celebrity sightings: April 29- Marisa in Tribeca

Actress Emily Van Camp arrives at The Academy of Television Arts and Sciences presentation of A Conversation with "Brothers & Sisters," in the North Hollywood area of Los Angeles.

Television personality Heidi Montag, right, and her boyfriend Spencer Pratt pose on the press line at the LG Scarlet Series Launch Party in West Hollywood, Calif.

Actress Emmy Rossum poses on the press line at the LG Scarlet Series Launch Party in West Hollywood, Calif.

Brazilian top model Gisele Bundchen poses for the media during a photo call to promote her sandals collection "G2B" in Berlin.

In this image released by ABC, Cristian de la Fuente suffers an injury while performing the samba with his partner Cheryl Burke on ABC's "Dancing With The Stars". De la Fuente began struggling near the end of the samba. He gripped his arm and seemingly tried to shake off the pain. But it finally gave away when he couldn't hold onto Burke anymore, and she fell to the floor.

Actress Sally Field arrives at The Academy of Television Arts and Sciences presentation of A Conversation with "Brothers & Sisters," in the North Hollywood area of Los Angeles.

Actor Robert Downey Jr. (R) poses for photographers before ringing the opening bell at the New York Stock Exchange. Downey is the star of the new Marvel Comics movie 'Iron Man' opening May 2.

Sisters Haylie (L) and Hilary Duff arrive for the premiere of the film "War Inc." during the Tribeca Film Festival in New York.

Actress Jane Seymour, narrator for the documentary film, "The American Southwest: Are We Running Dry?" is seen on location near the Shiprock pinnacle in Shiprock, N.M., during filming. The film is set to air on public television this fall.

Actress Lindsay Lohan poses on the press line at the LG Scarlet Series Launch Party in West Hollywood, Calif.

Actress Marisa Tomei arrives for the premiere of the film "War Inc." during the Tribeca Film Festival in New York.