Caroline Ann O'Connor is an Anglo-Australian singer, dancer, and actress. For her theatre work she has won three Helpmann Awards: Best Female Actor in a Play for Edith Piaf in Piaf in 2001 and the same category for Judy Garland in End of the Rainbow in 2006, and Best Female Actor in a Musical for Reno Sweeney in Anything Goes in 2015.

Anything Goes is a musical with music and lyrics by Cole Porter. The original book was a collaborative effort by Guy Bolton and P. G. Wodehouse, revised considerably by the team of Howard Lindsay and Russel Crouse. The story concerns madcap antics aboard an ocean liner bound from New York to London. Billy Crocker is a stowaway in love with heiress Hope Harcourt, who is engaged to Lord Evelyn Oakleigh. Nightclub singer Reno Sweeney and Public Enemy Number 13, "Moonface" Martin, aid Billy in his quest to win Hope. Songs introduced that later became pop and jazz standards are "Anything Goes", "You're the Top", "All Through the Night", and "I Get a Kick Out of You".