Have you ever been cast alongside an actor with whom you had a giant crush? It’s not hard to imagine, especially as actors tend to be quite a charismatic bunch. Perhaps you had to rehearse with your heartthrob for a high school play or you were cast on the same production as a long-cherished celebrity crush and struggled to keep your feelings in check. Well, in the spirit of Valentine’s Day, here is a collection of revealing moments when actors have confessed to carrying a torch for their co-star or struggled to keep it together when their paths crossed a specific beloved star. Rather than focusing on the many actors who went on to actually tie the knot with a co-star, this compilation draws attention to those intense and awkward interactions that did not amount to a romantic relationship.

Regina King sat down with Jimmy Kimmel recently to discuss her Golden Globe-winning performance in If Beale Street Could Talk. The 48-year-old star recalled a moment at the Globes when she struggled to contain her emotions upon seeing a certain someone. Indeed, crossing paths with A Star Is Born actor Sam Elliott made her heart skip a beat. “I normally don’t go up to people and ask to take pictures just because I feel like if they’re not very nice people, then they’ve just destroyed what’s in my head. So, I decided to go against everything I know when I saw Sam Elliott.” Speaking of the 74-year-old actor, King exclaimed, “Oh my God, I love that man.” See her recall the moment here.

When Game of Thrones’ star Emilia Clarke met Friends’ actor Matt LeBlanc on the Graham Norton Show, she could hardly contain herself. Realizing there was no use in trying to hide her feelings, she giggled and admitted to him, “Yeah, I just think you’re wicked.”

When To All the Boys I’ve Loved Before star Noah Centineo first met his co-star-to-be Lana Condor, he recalled feeling rejected by her. Centineo told E!’s Daily Pop, “When we first met in the audition room before any of us had booked it, we’re sitting there waiting in the lobby, and I saw her, and I was like, ‘Hey, do you want to run lines?’ And she was like, ‘No.’” But the two actors would soon become famous for their onscreen chemistry in the smash-hit Netflix teen romance film. However, Condor now admits she started to feel an attraction to Centineo while preparing for the shoot. Determined to keep things professional, she set some early boundaries. And she’s so glad she did—especially with the two of them now set to star in the film’s sequel.

Riverdale star Cole Sprouse has been acting since he was eight months old. But he has a distinct childhood memory of performing alongside Jennifer Aniston on Friends. Seeing a photo of his young self on the popular sitcom’s set, Cole revealed to Stephen Colbert, “That’s when I fell in love with her … Yeah, I remember feeling so intimidated by my crush on her that I completely blanked and forgot every single one of my lines, and she just stared at me and was waiting.” Hear the ending of Sprouse’s recollection here.

A few years back, a starstruck Selena Gomez tried to keep it together when she had a surprise meeting with the Transformers star Shia LaBeouf. Afterwards, she found a moment to decompress with her confidants. However, one of them posted the interaction on the internet.

When Logan star Hugh Jackman was a teenager, he had a major crush on the Grease star Olivia Newton-John. Years later, while doing a film with John Travolta, he happened to meet Newton-John and immediately shared his teenage-infatuation story with her. However, the Xanadu actress did not seem all too amused with Jackman. In turn, he advises people, “So when you meet your celebrity crush, don’t tell them.”

Remembering the role that launched her career 25 years ago, Speed star Sandra Bullock sat down with Ellen DeGeneres and revealed she had some feelings for one of her co-stars. Specifically, she found Keanu Reeves to be quite attractive. “I think of how sweet Keanu Reeves was and how handsome he was,” she recalled breathlessly.

Have you ever found yourself acting a role with a scene partner who seemed to be lit with heavenly sun rays? Please share!