Question: My Tutor actor Matt Lattanzi was once married to what famous singer and actor?

Context paragraphs:
Catch Me If You Can (1989 film): Catch Me If You Can is a 1989 American motion picture starring Matt Lattanzi, Loryn Locklin, Grant Heslov, Geoffrey Lewis and M. Emmet Walsh.  The film was the directorial debut of writer and director Stephen Sommers, with a soundtrack by Tangerine Dream.

Matt Lattanzi: Matthew Vincent "Matt" Lattanzi (born February 1, 1959) is an American actor and dancer.  He is most commonly recognized as the first husband of singer and actor Olivia Newton-John, and for his acting in films such as "My Tutor" and the soap opera "Paradise Beach".

Ruma Guha Thakurta: Ruma Guha Thakurta (Bengali: রুমা গুহঠাকুরতা ) is a Bengali actress and singer.  She was born on 21 November 1934.  She founded Calcutta Youth Choir in 1958.  She is the daughter of Satyen Ghosh (Monty Ghosh) and her mother was Sati Devi (a famous singer of her times).  She was married to Kishore Kumar in 1951 and has a son Amit Kumar by this marriage .  The couple got divorced in 1958 and she married Arup Guha Thakurta.

Jack Rio (film): Jack Rio is a 2008 thriller film directed by Gregori J. Martin.  The film is based on a short film written and directed by the films lead actor Matt Borlenghi.

Isabel Granada: Isabel Granada is a famous singer, actress, pilot and athlete.  She was born on 3 March 1976.  She married her spouse Jericho Aguas in 2002 and eventually separated.  In 2015, she married Arnel Cowley.  She has 2 step "children" Sarah Cowley, Abbey Cowley and her own son Hurbert Aguas.  She is well known for her role as a Filipino and Spanish actress and singer.  To this day she is still doing big roles in singing and acting

Sylvio Sarkis: Sylvio Sarkis is a Lebanese actor born on the 28th of September 1998.  His career started in 2008 when he participated in the hit Lebanese series "Mou’abbad" along with the much known actors Badih Abou Chakra and Patricia Nammour.  Sylvio Sarkis had worked over the past 9 years in 7 hit series such as: "Mou’abbad (Mou2abbad)", "Badal An Dayeh (Badal 3an Daye3)" with famous actor Youssef El Khal and Nelly Maatouk, "Ala El A’aehed (3ala Al 3ahed)" with Famous Actress Darine Hamze and Talal El Jurdi where Sylvio was one of the three main characters in the series.  "Ayli Mat’oub Alaya (3ayle Mat3oub 3laya)" along side with the late actor Issam Breidy and actress Yara Fares.  The hit Series "Helwe W Kezzabi (Beautiful Liar)" with the famous actress Dalida Khalil and famous singer Ziad Bourji.  "Joumhouriyet Noun" with famous actor Youssef Haddad and famous actress Rita Harb.  "50 Alef (50 thousand)" with famous actor Tony Issa and famous actress Dalida Khalil which was his second collaboration with her as being co-actors and main characters.

My Tutor: My Tutor is a 1983 American sex comedy film directed by George Bowers.  The film focuses on high school graduates (including Matt Lattanzi and Crispin Glover) as they attempt to lose their virginity during the summer vacation before college, and one's eventual relationship with his French tutor (Caren Kaye).

Chloe Rose Lattanzi: Chloe Rose Lattanzi (born January 17, 1986) is an American singer and actress who was born in Los Angeles to actress and singer Olivia Newton-John and actor Matt Lattanzi.  Her maternal great-grandfather is Nobel prize-winning physicist Max Born.

The Max Headroom Show: The Max Headroom Show was a television series that debuted in the UK in 1985.  It was produced by Carlton TV and aired on Channel 4, with an initial series of 13 shows.  It featured actor Matt Frewer playing the role of pseudo-computer-generated talk-show host Max Headroom.  It returned in 1986 for a second series of six episodes plus a Christmas Special.  The final series aired in 1987.

Hommocks Middle School: The Hommocks Middle School is a public middle school located in the Town of Mamaroneck, New York.  It is notable as being the place where actor Matt Dillon was discovered, being cast as the character Richie in the film Over the Edge (film).

Supporting paragraphs: My Tutor Matt Lattanzi
Answer: Olivia Newton-John