She called Sunday the "happiest Valentine's Day."

• Baby York was born in January via surrogate.
• The supermodel had been vocal in the past about her fertility issues.

Tyra Banks had some extra love this Valentine's Day.

The 42-year-old model spent the holiday with her son, York, born last month via surrogate. She shared the first photo of the baby boy on Instagram Sunday

This is the Happiest Valentine's Day of my life. York, Daddy @erikasla and I send you so much love.

A photo posted by Tyra Banks (@tyrabanks) on

Her boyfriend, photographer Erik Asla, shared the same shot on his Instagram, writing, "Mother and Son."

Banks and Asla, who have been dating since 2013, welcomed their first child together in January. She announced the birth along with a message for other women dealing with fertility issues.

“The best present we worked and prayed so hard for is finally here,” she wrote. “He's got my fingers and big eyes and his daddy Erik's mouth and chin. As we thank the angel of a woman that carried our miracle baby boy for us, we pray for everyone who struggles to reach this joyous milestone. York Banks Asla, welcome to the world.”

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