Justin and Pattie BieberExclusive: Justin Bieber is 16-years-old, one of the biggest stars on the planet, and strangely enough, the Canadian crooner comes off as remarkably grounded and collected. So, on this Mother's Day (for which Bieber is teaming up with 1-800-FLOWERS), PopEater had the opportunity to briefly chat with the teen star about his mom (pictured), their relationship and what it's like to have her on the road with him as he zigzags around the world -- dodging mobs of feverish girls everywhere he goes. That, and he also drops a tidbit about his romantic ways that's sure to only feed the frenzy.