8 Signs It's Crazy, Stupid, Hollywood Love

From playing house to co-parenting furbabies, see how committed these star couples are to being head over heels for each other

5. STRIP DOWN, HEAT UP

After months of playing coy, Selena Gomez and Justin Bieber let some loved-up photos do the talking, sharing kisses and cuddles during a St. Lucian getaway in January 2011, before getting even more touchy-feely while vacationing in Hawaii four months later.