The group performances are usually lip synced but the individual performances are not.
no they do not
maybe , sometimes
No, never
Yes, on occasion.
yes, but there are a lot of rumors about it
yes?
No, she doesnt. She actually sings the songs that she makes!
No, they don't. There is a rumor but it's not true
X Factor.
the x factor is now in london
Whether or not she lipsyncs is not easy to determine. However, by all appearances, she does not.
x-a is a factor of the polynomial p(x),if p(a)=0.also,if x-a is a factor of p(x), p(a)=0.