How old should you be to wear this strapless dress?

haha dont buy the second one plzzzz:) lmao the first ones rlly cute but yea if your twelve yrs old its too mature for youu...this dress is really cute, plus its strapless like you wanted: a href="http://www1.macys.com/catalog/product/index.ognc?ID=528169&PseudoCat=se-xx-xx-xx.esn_results" rel="nofollow"http://www1.macys.com/catalog/product/in…/a