‘Mean Girls’ Star Rachel McAdams Makes Surprise ‘SNL’ Appearance to Introduce Reneé Rapp, Megan Thee Stallion Joins Performance
Emily Longeretta From one Regina George to another. Rachel McAdams, who led the hit movie “Mean Girls” in 2004 as the main bully, appeared on the Jan. 20 episode of “Saturday Night Live” to introduce musical guest Reneé Rapp.