By SARAH FITZMAURICE and LARA GOULD AND STEVE FARRELL
Man and wife: Sir Paul McCartney and his new wife Nancy Shevell wed in an intimate ceremony at Marylebone Town Hall today
While she might have looked excited on the way to wed Sir Paul McCartney, Nancy Shevell emerged holding hands with her new husband displaying a look of pure delight.
As she left Marylebone Register Office as Lady McCartney, Nancy couldn't keep the smile off her face as she beamed alongside Paul.
The couple were greeted on the steps of the building by friends and family who covered the newlyweds in rose petals.
Husband and wife: Sir Paul McCartney and new wife Nancy Shevell leaving the Marylebone Register Office
And the Beatles singer and songwriter looked equally as ecstatic as they waved to the crowds of fans and well wishers.
The pair got into a car with Paul's daughter Beatrice who had acted as bridesmaid and made their way to their North London home for the reception.
Sir Paul and Nancy, 51, became husband and wife in front of just 30 guests at Marylebone Register Office.
We did it! The couple emerge as friends and family, including ABC newswoman Barbara Walters (in red), throw rose petals into the air
First glimpse and back at home: The couple seen as they emerged as man and wife for the first time, and seen back at home ahead of their reception
Showing off: Sir Paul McCartney showed off his gold wedding band as he and Nancy headed into the marquee at their London home
Ahead of the nuptials and with her groom by her side Nancy, who was wearing an ivory flower in her hair, had looked happy and relaxed as they got in the car.
The former Beatle was seen acting the perfect gentleman offering his wife-to-be a helping hand as they got into the car.
'I do': Couple pose in official wedding snap taken by Paul's photographer daughter Mary McCartney
As they arrived at the venue, the couple posed together and waved at fans.
Nancy had opted for a demure ivory knee-length gown, thought to be designed by Paul's daughter Stella, which boasted button detail down the front and on the sleeves.
Happy couple: The pair looked relaxed as they arrived ahead of their wedding
The bride was carrying a simple bouquet of mixed coloured roses while Sir Paul wore a smart navy suit and a light blue tie.
As the couple made their way up the steps Nancy turned around to the crowd and beamed, showing her delight at the day.
The pair were met at the top of the steps by Paul's daughter Beatrice, who took on the role as flower girl.
Beautiful bride: Nancy Shevell and Sir Paul McCartney were seen leaving their house in St Johns Wood heading to Marylebone registry office
Dashing groom: Sir Paul McCatney was seen offering a helping hand to his bride as they got into the car heading to their wedding
The eight year old, whose mother is McCartney's ex-wife Heather Mills, looked gorgeous in a pretty dress, a rose pink coat ballet slippers and a floral headdress.
Earlier today the couple indulged in a pre-wedding workout and were seen leaving a gym together.
Sir Paul is set to perform a new song as a gift to his new wife at his wedding reception at their home later today.
The former Beatle will unveil the song at the reception on what would have been John Lennon's 71st birthday.
Ready as ever: The couple were all smiles as they made their way into the register office
He will also sing the iconic Let It Be, which he wrote for the Beatles, and Let Me Roll It, which he wrote for his band Paul McCartney & Wings, reported the Daily Record.
He apparently sang Let It Be to Nancy during one of their first holidays together in Morocco three years ago.
The second song was picked because it is American heiress Nancy’s favourite and contains the lyric: 'You gave me loving in the palm of my hand.'
Intimate wedding: The couple decided to wed in front of just thirty guests and Paul's Beatles band member Ringo Starr and his wife Barbara wave to fans outside the wedding
The couple, who boast a combined fortune of £700 million, decided to marry in front of just 30 guests at Marylebone Register Office where Sir Paul married Linda in March 1969.
Instead of spending the morning getting hair and makeup done, Nancy took her fiance to the gym for an early morning work out at the gym ahead of their nuptials.
The pair looked relaxed and sporty in matching dark tracksuits.
Reception: The couple are having their reception in a marquee outside their North London home
Not long to go! Sir Paul McCartney and fiance Nancy Shevell were seen leaving their house in St Johns Wood, north London, for an early morning work out before they became Sir and Lady McCartney
A-list guests: Stella McCartney and Jools Holland attended the wedding reception after the ceremony
Returning home: Paul and his new wife Nancy arrive at their north London home following their wedding at Westminster Registry Office
Ready? The couple, who boast a combined fortune of £700million, will marry in a low-key ceremony in front of just 30 guests
The waiting crowd: Beatles fans and members of the media waited outside the Marylebone registry office before the couple's wedding ceremony
Already gathering: A Beatles fan showed her tattoos to the media as she waited outside the registry office
Third time lucky: Sir Paul says hello to his well wishers
Deliveries: Wedding preparations at Paul McCartney's house in St Johns Wood
Moving day: Temporary furniture is delivered to the north London home of former Beatle Paul McCartney
Reception: A fridge is loaded with champagne for the wedding
Seating arrangements: Chairs are delivered for the guests
Musical chairs: Seating for the reception is delivered to the house
Fresh as a daisy: Flowers are ready to be placed at the reception
The venue: Marylebone Town Hall in London where Paul McCartney will married Nancy Shevell earlier today
Memories: Paul McCartney leaving Marylebone Registry Office after marrying Linda Eastman
Over: Sir Paul McCartney and Heather Mills outside Castle Leslie, in Glaslough, County Monaghan, Ireland, ahead of their marriage in 2002