Rachel McAdams, who played the iconic character in 2004’s “Mean Girls,” appeared on the new episode of “Saturday Night Live” to introduce musical guest Reneé Rapp. Rapp plays Regina George – the leader of cool-girl friend group “the plastics” – in the musical reboot of “Mean Girls” that debuted in theaters earlier this month. Adding to the “SNL” episode’s surprise cameo roster was an appearance by rapper Megan Thee Stallion, who performed “Not My Fault” with Rapp after McAdams’ introduction. McAdams also appeared in a hilarious sketch later in the episode, which was hosted by “Euphoria” star and first-time “SNL” emcee Jacob Elordi. The next episode of “SNL” will be hosted by “Madame Web” star Dakota Johnson and Justin Timberlake will be the musical guest.

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Persons: Regina George, … Regina George, Rachel McAdams, ”, Reneé Rapp, Rapp, Regina George –, Tina Fey, Cady Heron, episode’s, Megan Thee Stallion, McAdams, Jacob Elordi, Natalie Partman —, Oscar, Natalie Portman, Elordi, Madame, Dakota Johnson, Justin Timberlake Organizations: CNN, SNL, North Shore High School