February 11, 2009 11:24 am Cheating Valentine's Beware Cupid’s not stupid when it comes to cheating around Valentine’s Day. PI’s see business jump around the holiday of broken hearts. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:36 Super dad makes Mario-themed obstacle course for son's birthday 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business'