Bonnie McKee Sings Melody of 'Hits' She's Written for Katy Perry, Ke$ha, Britney Spears, Taio Cruz [WATCH]

"Hits....A musical portrait" begins with Britney Spears' "Hold It Against Me." McKee then croons through Katy Perry's "Teenage Dream," Taio Cruz's "Dynamite," two more Perry songs "Last Friday Night (TGIF)" and "Part Of Me," Ke$ha's "C'Mon," and ends with "California Gurls" and "Wide Awake." Read More »