the singer was performing at the verizon theatre in dallas on saturday .
told the stunned audience that ` bobbi is awake . she 's watching me '
did n't elaborate on if his daughter had regained consciousness or if he was talking instead about her spirit .
after , his sister tina wrote on facebook , ' -lsb- bobbi -rsb- woke up and is no longer on life support !!!!! :-rrb- : -rrb- god is good ! ... '
whitney houston 's family denies anything has changed , according to a source .
bobbi kristina has been in a medically induced coma since january .
bobby is reportedly at odds with the family of his deceased ex-wife whitney houston over how long to keep his daughter on life support .