Watch: Taylor Swift Joined by Mary J. Blige, Uzo Aduba, Chris Rock & Matt LeBlanc at L.A. Concert

Taylor Swift 2015
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Taylor Swift performs onstage during The 1989 World Tour Live at MetLife Stadium on July 11, 2015 in East Rutherford, New Jersey. 

Taylor Swift welcomed star after star onto the stage during her second sold-out 1989 concert at Los Angeles' Staples Center on Saturday, Aug. 22.

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For her performance of "Style," Swift was joined by comedian Chris Rock, actor Matt LeBlanc and model Sean O'Pry, who appears in her "Blank Space" music video.

Swift's Saturday concert marked her second of five sold-out 1989 concerts at Staples. On Friday, L.A. Lakers star Kobe Bryant made a surprise appearance to announce a new banner that recognizes Swift for having the most sold-out concerts (16 total) at the 20,000-seat arena.

Saturday evening also featured OneRepublic's Ryan Tedder, who performed his band's hit single "Counting Stars."