Forget about them. They're trash.

Shut 'em. Those people are not your friends.

Ignore. Atleast you knew whom you can trust.

Talikuran mo di na dapat pinagaaksayahan ng time yan

Just don't mind them

Siguro may mas magandang rason para maalis ka dun sa group. Why settle for people na hindi ka naman talaga tinuturing na kaibigan in the first place? Kaibigan ba talaga tawag dun? (Sorry for jumping into conclusions)

Nothing. Just prove to her/him/them that you don't need such useless people like them. Don't worry, there are lots of people who are much more worth to be your friend :)

Confront them personally and ask them.

confront

Smile at them. The best revenge for hypocrites.