question: Beverly Hills Brats is a 1989 American comedy film, the film starred which Canadian-born American actress, dancer and singer most famous for her on-screen coupling with Dick Powell in a string of successful early musicals at Warner Brothers?
answer: Ethel Ruby Keeler
context: Title: The Dick Powell Show
  Passage: The Dick Powell Show is an American anthology series that ran on NBC from 1961 to 1963, primarily sponsored by the Reynolds Metals Company.  It was hosted by longtime film star Dick Powell until his death from lung cancer on January 2, 1963, then by a series of guest hosts (under the revised title The Dick Powell Theater) until the series ended.  The first of these hosts was Gregory Peck, who began the January 8 program with a tribute to Powell, recognizing him as "a great and good friend to our industry."  Peck was followed by fellow actors such as Robert Mitchum, Frank Sinatra, Ronald Reagan, Glenn Ford, Charles Boyer, Jackie Cooper, Rock Hudson, Milton Berle, Jack Lemmon, Dean Martin, Robert Taylor, Steve McQueen, David Niven, Danny Thomas, Robert Wagner, and John Wayne.
  Title: Beverly Hills Brats
  Passage: Beverly Hills Brats is a 1989 American comedy film.  Directed by Jim Sotos, the film starred Peter Billingsley, Martin Sheen, Burt Young, Terry Moore, George Kirby, Ruby Keeler (in her final film) and Whoopi Goldberg in a cameo role.
  Title: Down and Out in Beverly Hills
  Passage: Down and Out in Beverly Hills is a 1986 American comedy film based on the French play "Boudu sauvé des eaux", which had previously been adapted on film in 1932 by Jean Renoir.  "Down and Out in Beverly Hills" was directed by Paul Mazursky, and starred Nick Nolte, Bette Midler and Richard Dreyfuss.  The film is about a rich but dysfunctional couple who save the life of a suicidal homeless man.  Musician Little Richard also makes an appearance, and contributed the song "Great Gosh a'Mighty" to the soundtrack.
  Title: Beverly Hills Chihuahua 2
  Passage: Beverly Hills Chihuahua 2 is a 2011 direct-to-DVD sequel to the family comedy film "Beverly Hills Chihuahua", the second film in the "Beverly Hills Chihuahua" series.  Directed by Alex Zamm, and starring George Lopez, Odette Yustman and Zachary Gordon, the film focuses on Papi and Chloe, now married and had five puppies.  The film was released by Walt Disney Studios Home Entertainment on February 1, 2011, in a two-disc Blu-ray and DVD combo pack.
  Title: Ruby Keeler
  Passage: Ethel Ruby Keeler (August 25, 1909 – February 28, 1993) billed professionally as Ruby Keeler, was a Canadian-born American actress, dancer and singer most famous for her on-screen coupling with Dick Powell in a string of successful early musicals at Warner Brothers, particularly "42nd Street" (1933).  From 1928 to 1940, she was married to actor and singer Al Jolson.  She retired from show business in the 1940s, but made a widely publicized comeback on Broadway in 1971.
citations: Ruby Keeler Beverly Hills Brats