A flight attendant has disclosed how a botched lip filler treatment left her with swollen lips that looked like she had “baboon bottom” lips.   Olivia McCann, 21, from Chorley, Lancashire, revealed how her lips were massaged so hard during a dissolving procedure that they grew to triple their size and “looked like they were about to pop.”   The beautician reportedly assured her that swelling was normal, but Olivia was so horrified with the result that she hid at home for four days and declined …