Posted on Tue Feb 22, 2011 03:42 PM PDT
And figure skater Johnny Weir! Natch.
Many New York celebs ventured out to the Lady Gaga concert at Madison Square Garden last night, including the stunning Michelle Pfeiffer - who looked like she had a blast! - her hubby David E. Kelley and Weir.
HBO is filming a concert doc of Gaga's Monster Ball Tour (of last night's and tonight's MSG performances) to be released on May 7th.
Click through our gallery below to see more of Michelle and the Olympian!
Lady Gaga = love.
SEE THE GALLERY Celebs Attend Gaga Concert
Michelle Pfeiffer And Chris Pine Look Divine At People Like Us Premiere - Jun 16, 2012
Michelle Pfeiffer Says She's "All For" Plastic Surgery - Oct 06, 2011
Michelle, Michelle, Where For Art Thy Romeo? - May 04, 2008
The Stars Of Stardust - Jul 30, 2007