The Biggest Stars Who Have Seen the Magic of Harry Potter and the Cursed Child

"Thinking Out Loud" singer Ed Sheeran stopped by the play in London in January 2019, posing with the actor playing Harry Potter backstage.

Mission: Impossible star Tom Cruise visited with the London cast after sitting through the play in February 2017.

Julia Roberts saw the play in London way back in November 2016.

Months after welcoming daughter Banks Violet, Younger actress Hilary Duff took her 7-year-old son Luca Cruz to see the show on March 31, 2019 in New York City, posing with friends after the play's first part. "Oh hem geee" she wrote on Instagram.

"Nothing like a little magic to start the week off right!" actress Keke Palmer wrote on Instagram, April 8, after seeing the Tony-winning show in New York City. "I absolutely love theater and Harry Potter Cursed Child was nothing short of amazing! I so appreciate the cast taking a photo with me after their long night ❤️❤️. RUN don’t walk to #CursedChildNYC when you are in NYC. A true treat."

Repeat offenders! Husbands Neil Patrick Harris and David Burtka first saw Harry Potter and the Cursed Child on May 16, 2018 in New York City. They then returned to the show with twins Gideon Scott and Harper Grace, 8, on Aug. 23, 2018. "We loved it so much, we’d do it again tomorrow," Harris wrote on Instagram after the 5-hour play. "Bravo, everyone involved. You inspire me to be better, to hug my kids, and to seek out magic."

EGOT winner and View co-host Whoopi Goldberg turned up in the Big Apple in April.

Comedian Chris Rock was all smiles hanging out with the cast backstage in London after seeing the show in March 2017.

Aug. 22, 2016 was a big night for the play in London, with Margot Robbie, Ben Affleck, and Darren Criss all in the audience.

Victoria Justice was at the show in New York City on Feb. 10, 2019. "'Twas a magical night seeing @hpplayus!" she wrote on Instagram. "I’ve never seen a play broken up into two parts before and I really loved it. The special effects in this show are absolutely mesmerizing. Don’t miss it."

Toni Collette channelled her inner wizard in November 2017, seeing the acclaimed play in London.

American former professional basketball player went down under in March 2019, seeing the play in Melborne.

Saturday Night Live vet Tina Fey was a little too busy to see Harry Potter and the Cursed Child when it first opened on Broadway — what with her own musical, Mean Girls, kicking off around the same time. But she finally saw the show in February 2019.

Emma Watson was one of the first of the Harry Potter film stars to visit the play in London. The big screen's Hermione met the stage's Hermione (Noma Dumezweni) backstage, sharing photos of their embrace on social media. "I came in with no idea what to expect and it was AMAZING," Watson wrote on social media in her rave review. "Some things about the play were, I think, possibly even more beautiful than the films. Having seen it I felt more connected to Hermione and the stories than I have since Deathly Hallows came out, which was such a gift." She added: "Meeting Noma and seeing her on stage was like meeting my older self and have her tell me everything was going to be alright, which as you can imagine was immensely comforting (and emotional)! The cast and crew welcomed me like I was family and Noma was everything I could ever hope she would be. She's wonderful."

Watson's costar Rupert Grint (Ron) visited the play in London the following month, meeting Paul Thornley, who originated the role of Ron on stage.

Tom Felton — who played Draco Malfoy in the Harry Potter films — saw the show in London in August 2018. He was back again that following October.

Neville Longbottom himself (Matthew Lewis) was at the show in London on Nov. 4, 2016.

Before they split, then-boyfriends Sam Smith and Brandon Flynn went to the show in London. The singer and the actor posed with the cast backstage in May 2018.

Eddie Redmayne was in London on Jan. 23, 2018 for the show, and happily smiled for the cameras as he met the cast afterwards.

RuPaul certainly didn't find the show a drag when he saw it earlier this month in London.

Winter came early for the New York City cast of Cursed Child, when Game of Thrones creator stopped by on Nov. 25 to see the show.

Modern Family star Julie Bowen looked happy after seeing the show in New York City on April 4.

On Dec. 29, 2018, John Lithgow attended the two-part play in New York City.

In June 2017, both Helen Hunt and JJ Abrams were in the London audience — and united on stage afterwards with the cast.

Legendary singer/songerwriter Elvis Costello was in New York City on March 27 to see the show.