Kirsten Dunst Digs Tracy Anderson's Butt-Kicking Workouts

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What does Kiki D. have in common with Kim K., Taylor Swift and Goop queen Gwynie P.? The Midnight Special star/Wren muse/Rodarte fan is also a devotee of Tracy Anderson's insane exercise routines, as she was spotted at the superstar trainer's Studio City gym twice over the past two weeks. The 31-year-old actress saluted her sci-fi inspired pals by sporting Radarte and Rosarte tees during both visits (apparently, the LA brand is her workout wear of choice). To see who else paid a visit to Anderson's studio—and for the rest of this week's celeb sightings—click on the jump below.

· Undefeated (112 1/2 S La Brea Ave): "R&B singer Usher shops for new sneakers [at Undefeated] in West Hollywood, California on March 10, 2014." [Fameflynet]

· Fred Segal (8118 Melrose Ave): "Reality star Kendall Jenner and a friend out for lunch at Fred Segal in West Hollywood, California on March 12, 2014." [Fashion247]

· Tracey Anderson Studio (12345 Ventura Blvd): "Julianne Hough blinds us in a bright tank after stopping by the Tracy Anderson Method gym on Wednesday morning (March 12) in Studio City, Calif." [JustJared Jr.]

· Urban Pet (7515 Beverly Blvd): "Mad Men actress Elisabeth Moss out shopping for her cat at Urban Pet in West Hollywood, California on March 13, 2014." [Fashion247]

· The Commons (4799 Commons Way): "LeAnn Rimes, 31, [...] went shopping in Calabasas, California. The singer wore a black and white, star-print jumper which gave a sexy glimpse of her back as the enjoyed some retail therapy at The Commons shopping mall." [Daily Mail UK]

· All Hot Spots Coverage [Racked]