ET spoke to the singer about her friendship with Cabello, who is performing at the 2019 GRAMMYs.
Fans of the "Gorgeous" singer spotted her inside the event.
The singer is scoring major cool dad points right now.
The country music star slayed in Valentino couture on the GRAMMYs red carpet.
The boy band will also be presenting during the show.
The 25-year-old pop star may have said 'thank u, next' to performing, but she's still 'so f**kin' grateful' for her GRAMMY.
The singer is also making her GRAMMY performance debut as she vies for the Best Pop Solo Performance and Best Pop Vocal Album.
The singer makes a bold statement with a jacket emblazoned with President Donald Trump's name at the GRAMMY Awards.
Brandi Carlile is already a big winner at the 2019 GRAMMYs.
The 44-year-old actor also thanked his co-star, Lady Gaga.
Music's biggest stars shine at the 61st GRAMMY Awards in Los Angeles.
The late singer was posthumously nominated for Best Record Performance at Sunday's ceremony.
The 32-year-old singer shares the Best Original Music award with Bradley Cooper and Lukas Nelson.
'The Favourite' led the nominations, followed by 'A Star Is Born,' 'Bohemian Rhapsody,' 'First Man' and 'Roma.' Here's who won.
