Christina Aguilera is not shy about showing love for her fiancé on social media.
The singer posted birthday wishes for her hubby-to-be, on her Instagram story.
She wrote, “Birthday boy … to a wonderful father, loving man and hardest worker I know.”
Her fiancé, Matthew Rutler, is a film producer.
Christina and Matthew have a 3-year-old daughter named, "Summer Rain."
Christina's Instagram tribute included pictures of the couple and pregnancy shots.
Matthew celebrated his 32nd birthday on Thursday.