Grimmy gets physical with Joe from The Jonas Brothers with a few rounds of sumo on his Radio 1 Switch show!
Find out more about the show at www.bbc.co.uk/switch
While McFly were hanging around Radio 1 they hopped on to Slink to see just how much they really loved each other.
Here's the Love Calculator in all its romantic glory:
http://www.bbc.co .uk/switch/slink/pla y/games/love_calcula tor/
The supermodel dropped in for a chat and a sumo wrestle with Grimmy on his Radio 1 Switch show, Sundays 7 - 10pm.
For more on the show, plus loads of pics visit www.bbc.co.uk/switch
Grimmy challenged Harry from McFly to a sumo match in the Radio 1 boardroom... find out who won!
For more info on the show and loads of images of McFly visit www.bbc.co.uk/switch
The Angus, Thongs... lot try out the Slink Love Calculator to find out just how much they really do love each other.
One couple actually manages to make the calculator explode, such is the force of their love.
Try it for yourself:
http://www.bbc.co .uk/switch/slink/pla y/games/love_calcula tor/
Check out what happened when McFly came to Radio 1 to hand deliver their new single, On the Radio, to Grimmy...
For more on the show, plus loads of pics of McFly visit www.bbc.co.uk/switch
We go backstage at Shepherd's Bush Empire and the lads show us around their dressing room. There's lots of fruit and too many sandwiches. Harry wants more strawberries.
The Saturdays tell The Surgery on Radio 1 what their least and favorite part of their body is... we're all human after all!
Tune into The Surgery on Radio 1, Sundays at 10pm
For advice on loads of topics visit bbc.co.uk/surgery
What's it like doing your A Level revision on a battlefield? Lucy and Susan from the new Narnia film reveal to Slink Trev how they balance school work with fighting driads and niads from the world of evil.
Who is the biggest Jonas geek? Will it be Alyson or Demi who dazzles us with their MIGHTY knowledge of the brothers? We put them to the ULTIMATE test.
www.bbc.co.uk/sli nk
Ah, they're best mates outside of the ring but find out what went on when Grimmy challenged Alexa Chung to a round of sumo on his Switch Radio 1 show...
www.bbc.co.uk/swi tch
Check out highlights from the Headroom QA sessions hosted by Kelly Osbourne and Nick Grimshaw. Including Vernon Kay, Scott Mills, Adele and The Hoosiers.
At BBC Switch Live Annie and Nick got McFly, Miley Cyrus, Fall Out Boy, N-Dubz and Ne-Yo to do us their best impression...
Watch performances and check out the pics at http://www.bbc.co.uk /switch
Vanessa Hudgens answers your questions about falling over, hair stylists and getting spotted in a toilet. Also you cant see them but she was wearing the most amazing shoes!
PART THREE: Chipmunk performs Beast live in the 5:19 studio after revealing some very interesting Chipmunk facts. Oh, and he manages to make Tom do a rap about toast. We also have behind the scenes at DJ Ironik's album launch and a biggup from Bizzle.
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