Celebrity Twitpics! Lady Gaga and Audrina Patridge

In honor of John Lennon’s 70th birthday on October 9, Lady Gaga performed along with Yoko Ono and Sean Lennon. She donned some funky glasses while posing with Sean Lennon and posted the photo on Twitter. “WE ARE PLASTIC ONO. I got to sit in as a guest musician tonight, what a legendary band+mother, Yoko,” Lady Gaga tweeted.

Dancing With the Stars hoofer Audrina Patridge posted this Twitpic and tweeted: “Posted a pic of my segment on Good Morning America, which airs on Monday. We made pizza at Spago w/Chef Lee.”