Stars Express Admiration for Robert Downey Jr.

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Robert Downey Jr. was awarded with the 25th American Cinematheque Award on Friday and ET's got some exclusive footage from inside the event!

For some time now, folks in the industry have expressed their admiration for the two-time Academy Award nominee and during the ceremony, co-stars Gwyneth Paltrow and Jack Black gave RDJ their own heartfelt sentiments.

Click the video to see what the stars said about Downey!