Jared Leto just released a video for his band's, Thirty Seconds to Mars, new song City of Angels featuring a whole bunch of his famous friends like Kanye West, Lindsay Lohan, Selena Gomez, James Franco, Olivia Wilde, Alan Cumming, and the Olsen Twins.Some stars actually got their first acting gigs in music videos, so Enstars compiled a bunch of music videos featuring celebrities before they made it big.