Katy Perry - Katy Perry Performs For Oprah At Dr. Phil's Birthday Treat For Wife
The pop star serenaded Dr. Phil's wife at her 60th birthday party after hitting the stage as a surprise guest.
Oprah Winfrey and Vivica A. Fox reportedly attended the bash on 29 December (13) at MCGraw's Beverly Hills mansion.
Two days later, Perry was in Las Vegas for a private show at Caesars Palace's Fizz, where boyfriend John Mayer watched his lady from the wings.