Can anyone identify this plant please?

Question

I bought this beautiful plant with pink flowers in the spring and I have no idea what it is called. Thanks for your help!.

http://farm4.static.flickr.com/3044/2816270516_f7e0d3e482.jpg?v=0

http://farm4.static.flickr.com/3013/2815416981_e66b847c15.jpg?v=0

http://farm4.static.flickr.com/3187/2816270438_00e1b5998f.jpg?v=0

Answer 1

It is a dahlia.