Jessie J, stop trying to make music like Katy Perry before you release any of it to the public. It's not going to happen. Domino may become a hit but it will not be remembered. It will not help you.
Lil Wayne and Trey Songz, stop trying to out-do yourselves. It makes you sound ignorant and superficial saying your next album is your best work. We all know Ready was better than PPP and Tha Carter IV will not match the epicness of TC3 or TC2. So stop trying...