Complex sentence: McKinnon is known for her character work and celebrity impressions of pop singer Justin Bieber, comedian television host Ellen DeGeneres, former Secretary of State Hillary Clinton, Kellyanne Conway, Elizabeth Warren, Betsy DeVos, and Jeff Sessions.
Split into simpler sentences: McKinnon is known for her character work and celebrity impressions. She is known for her impressions of pop singer Justin Bieber, comedian television host Ellen DeGeneres, former Secretary of State Hillary Clinton, Kellyanne Conway, Elizabeth Warren, Betsy DeVos, and Jeff Sessions.