Keith Thibodeaux (born December 1, 1950) is a former American child actor of television and film and musician, best known for playing Little Ricky on the television sitcom's "I Love Lucy" and "The Lucy-Desi Comedy Hour", his last name "Thibodeaux" which was Cajun French was changed by co-star Desi Arnaz, to "Keith" because his surname was more difficult to pronounce.
 He is the last living regular appearing cast member from "I Love Lucy".
Lucille Désirée Ball (August 6, 1911 – April 26, 1989) was an American actress, comedienne, model, film-studio executive, and producer.
 She was best known as the star of the self-produced sitcoms "I Love Lucy", "The Lucy–Desi Comedy Hour", "The Lucy Show", "Here's Lucy", and "Life with Lucy".
Desiderio Alberto Arnaz y de Acha III (March 2, 1917 – December 2, 1986), better known as Desi Arnaz or Desi Arnaz, Sr., was a Cuban-born American actor, musician, and television producer.
 He is best remembered for his role as Ricky Ricardo on the American television series sitcom "I Love Lucy".
 He co-starred on that show with Lucille Ball, to whom he was married at the time.
 He and Ball are generally credited as the inventors of the syndicated rerun, which they pioneered with the "I Love Lucy" series.
Beauty for the Asking is a 1939 film drama produced by RKO Pictures, and starring Lucille Ball and Patric Knowles.
"Lucy Goes to the Hospital" is an episode of the 1950s American television show "I Love Lucy" in which the title character, Lucy Ricardo, gives birth to her son, "Little Ricky," after a "predictably chaotic" sequence of events.
 Twelve hours before the broadcast, the actress who played Lucy Ricardo, Lucille Ball, had given birth to Desi Arnaz, Jr. by cesarean section.
 The episode had actually been filmed on November 14, 1952.
Richard Denning (March 27, 1914 – October 11, 1998) was an American actor best known for starring in science fiction films of the 1950s, including "Unknown Island" (1948), "Creature from the Black Lagoon" (1954), "Target Earth" (1954), "Day the World Ended" (1955), "Creature with the Atom Brain" (1955), and "The Black Scorpion" (1957).
 Denning also appeared in the film "An Affair to Remember" (1957) with Cary Grant and on radio with Lucille Ball, as George and Liz Cooper, in "My Favorite Husband" (1948–1951), the forerunner of television's "I Love Lucy".
 His character's name on CBS Radio's "My Favorite Husband" was changed from George Cugat to George Cooper later in 1948.
 A television version of "My Favorite Husband" (1953-1955) was broadcast on CBS for two seasons during the tenure of "I Love Lucy".
Mary Jane Croft (February 15, 1916 – August 24, 1999) was an American actress best known for her roles as Betty Ramsey on "I Love Lucy", Ms. Daisy Enright on the radio and television versions of "Our Miss Brooks", Mary Jane Lewis on "The Lucy Show" and "Here's Lucy", and Clara Randolph on "The Adventures of Ozzie and Harriet".
Sirena Irwin is an actress whose credits include Mrs. SquarePants on the animated television comedy, "SpongeBob SquarePants".
 She also voiced Mama Krabs in the episodes "Enemy In-Law" and "Friend or Foe" among many others and also voiced Squilvia in "Love that Squid" (SpongeBob SquarePants).
 She was a series regular on Stan Lee's "Stripperella" as Persephone Cliche and has guest and co-starred in multiple television shows.
 She was a lead in "The Trip", a popular gay film.
 She also provided the voices for Mera and Lois Lane in "".
 In 2011 she premiered the role of Lucy Ricardo in "I Love Lucy: Live on Stage" in Los Angeles, and has toured with that show for several years.
 She was awarded Best Actress in a Touring Production at the BroadwayWorld Chicago Awards for the role.
Doris Singleton (born Dorthea Singleton; September 28, 1919 – June 26, 2012) was an American actress, perhaps best remembered as Lucy Ricardo's nemesis/frenemy, the snobbish Carolyn Appleby, in "I Love Lucy".
Moonlight and Pretzels is a 1933 American Pre-Code musical film directed by Karl Freund about a man who puts on a Broadway show.
 The film was released by Universal Studios, and featured Mary Brian and William Frawley, best known as "Fred Mertz" on "I Love Lucy"; Freund was a cinematographer for "I Love Lucy".

Question: Beauty for the Asking starred what American actress who was best known as the star of I Love Lucy?
Answer: Lucille Désirée Ball