Selena Gomez isn't immune to the trolling of Gen Z! The 29-year-old pop star took to her TikTok account to post a funny video with her younger sister, Gracie Elliot Teefey, 8. In the clip, Gracie looks at Selena, saying, «You embarrass me.»It's clear to see why as Selena attempts to make a video before declaring, «I just deleted the whole TikTok!» in a frustrated voice. Selena then tries to transfer the sisterly duo over to a platform she's more familiar with, saying, «See, this is where it's