CNN —

Actress Jennifer Aniston has confirmed her relationship with new boyfriend Jim Curtis, posting a photo of him on Instagram to celebrate his birthday on Sunday.

The couple have been linked for several months; Curtis even attended the premiere for the latest season of " The Morning Show " in September, "soft launching" their relationship.

"Happy birthday my love. Cherished," Aniston, 56, wrote in the caption alongside a photo of the couple hugging.

But, until Sunday, neither Aniston , who stars in "The Morning Show," nor Curtis had publicly commented on their relationship.

Curtis is a well-known mental health guru who frequently posts videos on Instagram encouraging his 677,000 followers to use affirmations, journal prompts and intentional language to alter their mindset.

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