LMFAO, Timbaland, Shakira, Lil Wayne e Katy Perry... What do U think?

http://www.youtube.com/watch?v=NZl17LOXGTE
Katy Perry feat. Shakira, Lil Wayne  Timbaland.

http://www.youtube.com/watch?v=5Hkb0PrMwJE

Shakira feat. Lil Wayne.
My mash-up's... Do you like them?