Christina Aguilera and her fiancé Matthew Rutler seem happy as can be with their baby on the way.

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The 33-year-old singer showed off her tiny baby bump via Instagram on Thursday with the caption, "Baby loves NYC."

In the photo, Aguilera sported a light gray T-shirt and a darker gray coat as she stood next to Rutler, who placed his hand on her belly.

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Last week, Aguilera looked just as happy in another photo with Rutler as the two celebrated his birthday. She placed her arm around him as the couple smiled for the camera.

"Birthday week for the birthday boy- Lots of love & blessings to celebrate!" she captioned the Twitter shot.

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The multi-platinum singer revealed in February that she was pregnant, one week after she announced her engagement to her beau. In March, she also reportedly announced that she's expecting a baby girl while performing in Kuala Lumpur, Malaysia. According to Twitter users, Aguilera rubbed her belly on stage and said, "This is her first show."

Aguilera and Rutler, 29, began dating in 2010 after they met on the set of the film Burlesque, in which she starred and he worked as a production assistant.

The Voice coach previously had a five-year marriage to Jordan Bratman, with whom she has a 6-year-old son, Max.