mamamoo_official kicked off their first US Tour at Belmont Park tonight! 💚 #MAMAMOO #MY_CON #마마무 #MY_CON_BELMONTPARK #MY_CON_NEWYORK #MY_CON_NY #BelisMAMAMOO #MYCON_USA #MAMAMOOinUSA #MAMAMOOinNewYork