Wiz Khalifa and Amber Rose are married

Rapper Wiz Khalifa and model Amber Rose have tied the knot.

The couple -- who got engaged in March and have a son together -- announced their marriage news Monday on Twitter.

Rose, 29, tweeted: "Yay me and my baby are officially married!!!"

She also shared a photo of them captioned "Happily ever after" and added, "It's the best day ever with my family, husband & baby boy."

Khalifa, 25, also shared the news, adding that they'll celebrate the nuptials again in the fall. "Me and Amber got married today. Wedding's this fall. Thought I'd let ya'll know," he wrote.

Rose and Khalifawelcomed son Sebastian Taylor Thomaz in February.