Jared Joseph Leto, 39, is an American actor and musician. He has appeared in films such as Fight Club; Panic Room; American Psycho; Requiem for a Dream; and Lord of War. He is the lead vocalist, rhythm guitarist and main songwriter for the American rock band 30 Seconds to Mars and has also directed music videos.

Jared Leto shows off his new abs and new hair

Leto's former stomach

In addition to showing off his new abs, Jared also changed his hair styles. Check out what he used to have on his head, and who knows, maybe he influenced Lady Gaga, if she didn’t influence him first:

Jared's former hair

Lady Gaga hair bow