Paul McCartney and Nancy Shevell were married Sunday in London.

The rock icon was beaming as he and his bride entered the Old Marylebone Town Hall at 3:30 p.m. (London time) for their civil ceremony.

Shevell wore a long sleeve white dress. The groom was in a classic blue suit, and both outfits were designed by his daughter Stella McCartney.

PHOTOS: Paul McCartney Marries Nancy Shevell

He's set to tie the knot on Sunday, but Sir Paul McCartney and his bride-to-be appeared calm and collected as they dined out in London ahead of their wedding and RadarOnline.com has the photos.

The former Beatles rocker took Nancy Shevell and her son, Arlen, out for a meal at London's posh eatery Cecconi's.

PHOTOS: Paul McCartney And Nancy Shevell Have Pre-Wedding Dinner

The couple will reportedly say 'I do' on Sunday at The Old Marylebone Town Hall in London in front of 30 of their closest friends and family.