The two were enjoying themselves at the Serpentine Gallery's summer party in London's Hyde Park last night.
They clearly wanted to liven things up a bit outside the sophisticated event.
carry me home: Katy Perry gets a welcome lift from Mika
With the I Kissed A Girl chart-topper perched on his back, Mika ran around, dodging photographers. At one point last night it looked as though they were about to take a tumble as he seemed to lose his footing.
Luckily he managed to steady himself before the pair dived into a waiting taxi.
The pair nearly took a tumble, before Mika managed to steady his footing
This morning however the 23-year-old may have wished she had instead gone to bed for an early night.
She looked bleary eyed as she turned up for an early morning interview on Radio One.
And the singer hid behind her oversized shades as waiting fans shoved their autograph books in her face.
The morning after: Katy signs autographs for her fans
Hulk to Chelsea is '90 per cent done'
TV Baftas - in pictures
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British housewife facing FIRING SQUAD over Bali drugs smuggling charge was 'neighbour from hell' -
London 2012 Olympics: Raising the bar and the Games haven't even started yet. Price of toasting Team GB is £6 a pint! -
Video: Intruder bursts into Leveson Inquiry to brand Tony Blair a war criminal -
British woman Lindsay Sandiford facing death penalty over Bali drugs haul is mother of violent robber who carried out raids in London
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First victory for campaign to save famous pie and mash shop -
'Normal' clothes inspire new designer at Central Saint Martins fashion show -
Usain Bolt is quick to tell fans he’ll be lightning fast again -
Invasion of the book snatchers: Brent Council sneaks into Kensal Rise library at 2am to strip it bare -
Video: Is this the World's most OTT marriage proposal? Hilarious film
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Glamour Awards
Garden party
First review
Fair-weather goths
Diamond Jubilee
Dog save the Queen
A better ex than husband
Best of the Baftas
You big softie
Gay marriage
