Being Irrelevant =/= Having No Talent. If she's talented and adds something to the song with a good quality, I say go for it, and that applies to anybody.
And @Lancelovesgaga i got reported for saying in your kim thread
It wasn't even my thread & no. I don't report people except this one member. That's it. But the "" was pointless/flamebait & UN-necessary which leads into why you got an infraction :P
I didn't even do anything wrong
I don't report anyone but this Xtina fan 
in your kim thread
& no. I don't report people except this one member. That's it. But the "
plus she doesn't have control of what time it actually comes out