showstoppingadjective
uk/ˈʃəʊˌstɒp.ɪŋ//ˈʃoʊˌstɑː.pɪŋ/used to describe a performance that is extremely good, or something that is very impressive:
Ethel Merman is remembered for her showstopping performances in Annie Get Your Gun and Call Me Madam.
showstopping dance routines