The 15-time GRAMMY winner is also teaming up with Shawn Mendes for the upcoming season of 'The Voice' and only ET was with them on the set.
Only ET was with Keys and Mendes as they prepped Team AK for the Battle Rounds.
The couple was spotted strolling the beach south of the border.
ET spoke with the newest 'Voice' coach on the red carpet during NBC's TCA event on Tuesday in Los Angeles. 'The Voice' season 14 premieres Feb. 28 on NBC.
The singer spoke with ET at NBC's Television Critics Association press tour on Tuesday.
The singer proved she's more than just a mentor to one of the aspiring entertainers who competed on her team!
The country singer and the 11-year-old got stuck in the mud.
The 23-year-old Nashville native brags about the 41-year-old coach on ET's Facebook Live.
ET is breaking down what to look forward to in the world of music in 2018.
The rocker also reveals what her coach said to her just after cameras stopped rolling on Tuesday night's finale.
The country crooner received a warm embrace from Stefani's sons backstage after his big win on Tuesday night.
The No Doubt front woman proudly posed in her boyfriend's 'Sexiest Man Alive' blazer.
The country superstar explained why he believes the 23-year-old singer will be successful, while backstage after the season 13 finale.
The four finalists all did a phenomenal job during Tuesday night's live results show.
