"She's been glowing. Everything in her life has come together and she's excited about it. Jim's the best," the source says.

On Sunday, Nov. 2, the Friends star, 56, shared a post on Instagram in celebration of her partner's birthday — and included a rare photo of the pair sharing a sweet embrace.

On Nov. 2, the Friends star shared a black-and-white Instagram photo of herself hugging Curtis from behind, captioned, “Happy birthday my love. Cherished.”