McFly performed a free concert to Christmas shoppers in Oxford Street today, which is closed to traffic for the day.
But they weren't the only celebrities wandering around.
TOWIE'S James 'Arg' Argent and Duncan Bannatyne from Dragon's Den are among the stars serving customers from behind the counter on behalf of the Make A Wish foundation charity.
More top news
The Football League will introduce the project if the family of PC Keith Palmer supports the idea.
After the terror attacks, Londoners are starting to reclaim Westminster Bridge - proof already that life is returning to normal.
A man who met PC Keith Palmer said his murder "sent a shiver down my spine".