Melanie Hamrick confirmed that she and longtime partner Mick Jagger are engaged: 'Maybe one day we'll marry, maybe not.'

Mick Jagger's found his rainbow, and he's looking to lock her down for the rest of his life ... because he and his longtime partner Melanie Hamrick are engaged -- and have been for some time.

Melanie Hamrick, longtime partner of Rolling Stones frontman Mick Jagger, has confirmed they are engaged, but she said marriage may never be in the cards. In a new interview with Paris Match, the 37-year-old retired ballerina revealed that she and Jagger,