Demi Lovato almost hit Paul McCartney with her car

https://twitter.com/#!/ddlovato/status/189597287373217792

https://twitter.com/#!/ddlovato/status/189597754169896961

Twitter had some fun with the story:

https://twitter.com/#!/jacobjunior7/status/189926832462774275

https://twitter.com/#!/Melissa_Sm/status/189926744202027008

Related: Singer Christina Perri got a chance to meet McCarthy:

https://twitter.com/#!/christinaperri/status/189748978676531200