Pamela Anderson just unveiled PETA's new campaign against Canada's commercial seal slaughter. The ad series features Anderson and other celebrities calling for an end to the annual massacre of baby seals, the largest mass killing of marine mammals in the world.

The stars were out at the Los Premios MTV Awards in Los Angeles last night. Although big winner Lady Gaga was a no show (she won the "Song of the Year" prize for "Poker Face" and the "Best New International Artist trophy), many other celebrities made appearances. Check out their photos after the jump...