United Kingdom, April 26 -- Olivia Rodrigo fears she might "pee [her] pants on stage".

The 22-year-old pop star has enjoyed a meteoric rise over recent years - but Olivia still feels anxious whenever she performs in front of a large crowd.

Asked to reveal her "greatest fear", Olivia told People: "[I'm afraid] I'm going to pee my pants on stage."

Olivia is currently in the midst of her Guts World Tour, and the chart-topping star has developed a very defined routine over recent months.

Asked to reveal the first thing she does when she gets off stage, the pop star said: "I drink a ton of water."

Olivia subsequently admitted that she tries to avoid taking on too many fluids before her concerts, because she fears she might have an embarra...