Taylor Swift turned into "Quasimodo" while dating her ex-boyfriend, according to her longtime pal.

The 28-year-old star's friend Todrick Hall, a singer and dancer who competed on American Idol, said in a new interview that Swift seemed unhappy and would always "hunch over" while discussing a certain beau.

"There was a time last year -- I don't know if I'm supposed to say anything -- she was dating someone," Hall said on Thursday's episode of "The Kidd Kraddick Morning Show."

"I never actually met this person, but I could just tell every time I would talk to her, she would hunch over."

"I sent her this picture of her as Quasimodo that I edited," he added, referencing the Hunchback of Notre Dame character.

"Because I was like, 'You cannot turn into Quasimodo for this guy. Every time you say his name, you hunch over.'"

Fans speculated Hall was talking about actor Tom Hiddleston, from whom Swift split in September 2016 after a few months of dating.

Hall said the "Gorgeous" singer now seems more happy and confident than ever.

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"I think she's the happiest I'ver ever seen her," he shared. "She's so happy. Standing up completely straight and so tall and so confident. I just love it. I'm so, so happy for her."

Swift and Hiddleston had a highly-publicized whirlwind romance over the summer last year.

The actor insisted in the March issue of GQ that his relationship with Swift was "real" and not a publicity stunt.

"Taylor is an amazing woman. She's generous and kind and lovely, and we had the best time," he told the magazine. "Of course it was real."