Ellen DeGeneres' best celebrity spoofs

Ellen DeGeneres celebrates her 60th birthday Friday, ringing in another year of laughs and her famed celebrity spoofs. From Regina George to Kendall Jenner to Niall Horan, see DeGeneres' best celebrity takes on Instagram, ahead.

The happy couple may not need a third wheel, but they got one anyway.

We always knew DeGeneres had Finesse, but this just proves it. "Ooooo don’t we look good together?" she wrote in the caption, tagging Bruno Mars and Cardi B.

"Idea for a sequel: Even Beautier & Beastier," she suggested in her caption. Um, OK.

Is there an Emma Watson trend here? The funnywoman took Hermione Granger's spot in a still from Harry Potter and the Sorcerer's Stone. Decked out in Gryffindor's finest, she joined Harry Potter and Ron Weasley at Hogwarts.

DeGeneres has friends in muscly places.

DeGeneres got physical as Olivia Newton-John, slipping into the singer's wonderfully '80s workout wear.

Stepping into the elf shoes worn by Will Ferrell, DeGeneres became Buddy the Elf for a spin on the 2003 holiday movie.

Stepping in for Rue McClanahan, DeGeneres grinned alongside the gals as The Golden Girls' Blanche Devereaux.

Step aside, Candice Swanepoel. DeGeneres spoofed the runway model, trying on her outfit from the 2015 Victoria's Secret Fashion Show.

She'll never let go, Jack. Taking the place of Kate Winslet, DeGeneres played Titanic's Rose, flying alongside Leonardo DiCaprio.

DeGeneres had her Marilyn moment, spoofing the actress' famed scene in The Seven Year Itch.

Posing alongside Chandler, Joey, Ross, Monica, Phoebe, and Rachel, DeGeneres made herself the seventh friend — an addition we never knew we needed.

Taking on a role made famous by Reese Witherspoon, DeGeneres took it to Harvard as Legally Blonde's Elle Woods.

DeGeneres made herself the secret sixth member of *NSYNC, appearing alongside Chris Kirkpatrick, Lance Bass, JC Chasez, Justin Timberlake, and Joey Fatone.

Watch out Rachel McAdams — there's a new mean girl in town. DeGeneres joined the ladies of Mean Girls as the queen of The Plastics.

DeGeneres spoofed Sarah Jessica Parker as Sarah Sanderson, the youngest of the three sisters made famous by Hocus Pocus.

Taking on the shot that earned Kendall Jenner the title of the most-liked photo on Instagram, DeGeneres swapped the model's body-baring white lace dress for a sweater over a white collared shirt.

DeGeneres found her way to Downton Abbey, picking up Elizabeth McGovern's role of Cora Crawley.

Ellen DeGeneres slid into Niall Horan's pop star shoes, joining the boys of One Direction.

Spoofing one of Audrey Hepburn's most famous roles, DeGeneres had Breakfast at Tiffany's as Holly Golightly.