Taylor Swift Breaks Record for Most 21st Century Number-One Singles on Billboard Hot 100

Taylor Swift has achieved a new milestone on the Billboard Hot 100, breaking the record for the most number-one singles in the 21st century. Her 15th chart-topper, "I Knew It, I Knew You," from the soundtrack of the 2026 film *Toy Story 5*, also marks the first number-one hit for Pixar studios. This accomplishment solidifies her continued dominance in the music industry.