It's official: Kate Upton is off the market! The model-actress is engaged to longtime boyfriend Justin Verlander , sources confirm. The 23-year-old bride-to-be debuted her stunning engagement ring, designed by her fiancé, on the red carpet at the 2016 Met Gala . "I'm really excited, he asked me right before season started so we've been keeping it on the down low for quite a while," she said. Kate and Justin aren't in any huge rush to say "I do." For now, "we are enjoying the engagement period," she said.