Who Knows Maria Best? Her BF or Derek Hough?

May 16, 2012 At the Grove

"Extra" host Mario Lopez put the men in Maria Menounos' life to the test -- asking her boyfriend of 14 years, Keven Undergaro, and her former "DWTS" partner, Derek Hough, a series of questions to see who knows her best.

Watch to find out who wins! 

Comments