From AllMovie:

Biography by All Movie Guide

Voluptuous sex symbol and star of Hollywood films, TV, and nightclubs, Jane Russell was the daughter of an actress. She worked as a receptionist and model, and studied theater at Max Reinhardt's Theatrical Workshop and with Maria Ouspenskaya. Endowed with a large bust, she won the lead role in Howard Hughes' The Outlaw (1941) after Hughes conducted a nationwide search for a curvaceous actress, eventually finding her working in his dentist's office. The film caused a storm of controversy due primarily to the amount of cleavage shown by Russell onscreen, and, after brief releases in 1941 and 1943, it was not officially released until 1950. The controversy brought her much publicity, often in the form of off-color, sophomoric jokes. However, she surpassed her mindless "bombshell" image and went on to perform with versatility in a number of films during the subsequent three decades, including comedies with Bob Hope and musicals with Marilyn Monroe. She often played cynical, "tough broads," and starred in the Broadway musical Company in 1971. TV viewers will remember her for a series of bra commercials during the '70s.

Promo from The Outlaw (1943)