Zac Efron #2 PEOPLE's World's Most Beautiful 2011

Those abs! Those pecs! That chest! No wonder the newly single star also topped PEOPLE's Most Amazing Bodies list last year. But the 23-year-old is more than mere eye candy. Efron, who's currently filming the A-list ensemble New Year's Eve, tells PEOPLE, "I think it's important to remember to live in the moment and enjoy every day to the fullest."