Ciara’s family just got bigger. The R&B singer gave birth to a baby girl on Friday night (Apr. 28), revealed in a posting on social media. The 31-year-old and husband Russell Wilson welcomed their newborn daughter, named Sienna Princess Wilson, entering the world at 7:03 pm PST. In a photo posted to her Instagram account, CiCi is seen sitting along the ocean shore, making the huge revelation to her 16.1 million followers.

Dear Sienna Princess Wilson, No matter how big the wave, we will always be your calm in the storm. We Love You. Love, Mommy & Daddy. 7:03 pm, 7 lbs 13 oz,” said the proud mother. The couple as said to be doing well a source tells E! News. The birth of Sienna Princess comes nearly a year after Ciara and Russell Wilson got married last July during a ceremony at Peckforton Castle in England.

Sienna is Ciara’s 2nd child, as the Atlanta songstress has a two-year-old son, Future Zahir Wilburn, from her previous relationship with rapper Future. This is Russell Wilson’s first child. Congrats to the new parents!

Continue after the jump….

Previously: Ciara Goes Topless, Shows Off Baby Bump In Harper’s Bazaar Shoot