The 30-year-old "Dance Like We're Making Love" hitmaker is set to walk down the aisle with the American football star, 27, after he proposed to her as they vacationed in paradise, reported Female First.
Sharing a sweet picture of Wilson down on one knee, she wrote, "God Is Good! Grateful For You @DangRussWilson. You Are Heaven Sent. I'm Looking Forward To Spending Forever With You ... I Feel Complete. (sic)"
The Seattle Seahawks player also posted a video taken just after the proposal, where Ciara can be seen flashing her stunning diamond ring.
Sharing the video on his social media page, the sportsman wrote: "She said Yes!!! Since Day 1 I knew you were the one. No Greater feeling... #TrueLove @Ciara (sic)"
The singer has son Future, 21 months, from a previous relationship.