Olivia Rodrigo "cannot believe" she has the biggest song in the world after her debut single, "Drivers License," drove straight right to No. 1 on the Billboard Hot 100, Billboard Global 200 and Billboard Global Excl. U.S. charts (dated Jan. 23).
"Number one on the billboard charts. truly cannot believe this is real life. thank u thank u thank u," she wrote in a celebratory tweet while sharing Billboard's post.
She also wrote, "oh my god this is crazy," on her Instagram Story while resharing this week's Hot 100 chart that "Drivers License" co-writer and producer Dan Nigro first posted on IG.