It's going to be two baby girls for Ronnie Wood and his wife, Sally Humphreys!

The 68-year-old The Rolling Stones guitarist took to Twitter on Sunday, Feb. 21 to announce Sally, 38, is pregnant with twin daughters.

"Our baby GIRLS are growing beautifully — thank you for the love!" he captioned a drawing of his spouse holding their two unborn babies.

ronnie wood sally humphreys getty images

Ronnie and Sally in October 2015.

A Rolling Stones spokesperson previously confirmed the couple — who married in December 2012 after dating for nine years — are expecting twins last December. “Sally and Ronnie are delighted to announce that they are expecting twins in June 2016,” the rep said in a statement at the time. “They are thrilled and overjoyed with the wonderful news.”

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Ronnie is already a father to four children — Jamie, 41, Jesse, 39, Leah, 37, and Tyrone, 32 — from his previous marriages to the late Krissy Findlay and Jo Karslake.