Gigi Hadid & Sister Bella Celebrate OnePiece Pop Up Store Opening

Bella Hadid pops up behind her sister Gigi during the OnePiece New York Concept Store Grand Opening held at OnePiece Concept Store on Friday night (November 7) in New York City.

“Sissy and I welcoming @OnePiece to NYC last night! So happy for you @thomasadams85 xx,” the 19-year-old model wrote on Twitter the day after.

PHOTOS: Check out the latest pics of Gigi Hadid

Gigi‘s ex-boyfriend Cody Simpson was also at the same event.

“Stoked to be attending my mate @thomasadams85′s @OnePiece pop up shop opening tonight on broadway here in nyc,” the 17-year-old singer tweeted.

Check out pics of Cody and Gigi‘s reunion inside…