Mick Jagger and Melanie Hamrick enjoyed a fun night on the town! Jagger, 82, and his fiancée Hamrick, 38, made a rare appearance at the British Museum Ball in London on Saturday, October 18. The pair were all smiles while walking the red carpet and posing for photos. The Rolling Stones frontman wore a blue and black jacket for the occasion, while Hamrick shined in a golden gown adorned with floral details.