Jennifer Lawrence Was Starstruck by Ariana Grande on 'Don't Look Up' Set (Exclusive)

ET's Rachel Smith speaks to Jennifer Lawrence at the premiere of her new movie, ‘Don’t Look Up,’ debuting Dec. 10 on Netflix. The Oscar-winning actress opens up about working alongside Meryl Streep and reveals why she was more starstruck around Ariana Grande on set. Jennifer, who is pregnant with her first child, also shares what she's looking forward to about motherhood.