English pronunciation of “grown up”

grown up

uk How to pronounce grown up adjective in British English
us How to pronounce grown up adjective in American English
uk How to pronounce grown up noun in British English
us How to pronounce grown up noun in American English

(English pronunciations of “grown up” from the Cambridge Advanced Learner’s Dictionary & Thesaurus and from the Cambridge Academic Content Dictionary, both sources © Cambridge University Press)