January 28, 2011 2:34 pm Jennifer Morrison: Working with Katy Perry Was “Surreal” The “How I Met Your Mother” actress says she was surprised that pop star Katy Perry was a “sweetheart” during filming for her guest spot on the show. US & World Videos 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split? 2:25 Oceanside Pier fire still smoldering
