Which chef stars in 'Hell's Kitchen'?

Who hosts 'The Amazing Race'? Who hosts 'The Voice'? Who hosted 'Dancing with the Stars' from 2005 to 2019? Who hosted 'Big Brother' in the U.S. for its first 25 seasons? Who hosted 'Top Chef' for most of its run through 2023? Who hosted 'Let's Make a Deal' for decades starting in 1963? Who hosted 'Match Game' in the 1970s? Who has hosted 'The Tonight Show' since 2014?