Question: When was the British-American actress born who was named the seventh-greatest female screen legend and had guest appearance in Luke and Laura's 1981 wedding?

<P0-S0> Audrey Hepburn ( ; born Audrey Kathleen Ruston; May 4, 1929January 20, 1993) was a British actress, model, dancer and humanitarian. <P0-S1>  Recognized as a film and fashion icon, Hepburn was active during Hollywood's Golden Age. <P0-S2>  She was ranked by the American Film Institute as the third-greatest female screen legend in Golden Age Hollywood and was inducted into the International Best Dressed List Hall of Fame. <SEP> <P1-S0> Dame Elizabeth Rosemond Taylor, DBE (February 27, 1932 – March 23, 2011) was a British-American actress, businesswoman, and humanitarian. <P1-S1>  She began her career as a child actress in the early 1940s, and was one of the most popular stars of classical Hollywood cinema in the 1950s. <P1-S2>  She continued her career successfully into the 1960s, and remained a well known public figure for the rest of her life. <P1-S3>  In 1999, the American Film Institute named her the seventh-greatest female screen legend. <SEP> <P2-S0> Laura Spencer is a fictional character from "General Hospital", an American soap opera on the ABC network. <P2-S1>  Laura, originally played by Stacey Baldwin, was introduced in 1974 as the illegitimate daughter of Dr. Lesley Williams (Denise Alexander). <P2-S2>  The character was written out in the summer of 1976. <P2-S3>  In early 1977, Genie Francis took over the role of the rebellious teenage Laura. <P2-S4>  In 1978, thanks to the efforts of executive producer Gloria Monty's plan to entice younger viewers, the character's popularity skyrocketed in the late 1970s and early 1980s due to her pairings with Scott Baldwin (Kin Shriner) and Luke Spencer (Anthony Geary) -- the latter of the two becoming the defining Supercouple for the soap opera genre. <P2-S5>  Luke and Laura's 1981 wedding — which featured a guest appearance from Elizabeth Taylor — was viewed by 30 million people. <P2-S6>  In 1982, Francis quit the show and the character was written out having disappeared. <P2-S7>  Francis returned to the series for brief stints in 1983 to reunite Luke and Laura, and then again in 1984 when Laura was revealed to be pregnant. <SEP> <P3-S0> Audrey Hepburn (4 May 1929 – 20 January 1993) was a British actress who had an extensive career in film, television, and on the stage from 1948 to 1993. <P3-S1>  Considered by some to be one of the most beautiful women of all time, she was ranked as the third greatest screen legend in American cinema by the American Film Institute. <P3-S2>  Hepburn is also remembered as both a film and style icon. <P3-S3>  Her debut was as a flight stewardess in the 1948 Dutch film "Dutch in Seven Lessons". <P3-S4>  Hepburn then performed on the British stage as a chorus girl in the musicals "High Button Shoes" (1948), and "Sauce Tartare" (1949). <P3-S5>  Two years later she made her Broadway debut as the title character in the play "Gigi". <P3-S6>  Hepburn's Hollywood debut as a runaway princess in William Wyler's "Roman Holiday" (1953) opposite Gregory Peck made her a star. <P3-S7>  For her performance she received the Academy Award for Best Actress, the BAFTA Award for Best British Actress, and the Golden Globe Award for Best Actress in a Motion Picture – Drama. <P3-S8>  In 1954 she played a chauffeur's daughter caught in a love triangle in Billy Wilder's romantic comedy "Sabrina" opposite Humphrey Bogart and William Holden. <P3-S9>  In the same year Hepburn garnered the Tony Award for Best Actress in a Play for portraying the titular water nymph in the play "Ondine".