Question: Who was the author of Princess of Gossip who also starred in Disney Channel Original Move?

full_context: Document 1: The Princess Diaries, Volume IX: Princess Mia: The Princess Diaries, Volume IX: Princess Mia, released in the United Kingdom as "The Princess Diaries: To The Nines", is a young adult book in the critically acclaimed "Princess Diaries" series. Written by Meg Cabot, it was released in the USA on December 26, 2007 by Harper Collins Publishers and is the ninth novel in the series.
Document 2: Suzan Brittan: Suzan Brittan is a female actress and trained vocalist from Vestal, New York. She graduated from Ithaca College, NY. She is well known as the lead singer on the Robbie Rivera/Axwell track "Burning", which went to number one on Billboard Hot Dance Music/Club Play chart in 2004.
Document 3: Royal Wedding Disaster: Royal Wedding Disaster is a 2016 children's novel written and illustrated by Meg Cabot and the sequel of From the Notebooks of a Middle School Princess, spinoff of the author's popular young adult fiction series, "The Princess Diaries". The book was released on May 10, 2016 and follows Olivia, Princess Mia Thermopolis's bi-racial half sister as she gets used to her new school in Genovia and prepares for her sister's wedding. It was published April 21, 2017 in the United Kingdom as "Bridesmaid-in-Training" by Macmillan Children's Books.
Document 4: Briana Evigan: Briana Barbara-Jane Evigan (born October 23, 1986) is an American actress and dancer. She is best known for her roles as Andie West in the "Step Up" series and Cassidy Tappan in "Sorority Row". She started dancing at the age of 9 and is still dancing as part of her career today. Evigan has been noted as a Scream Queen for starring in many horror and thriller films, such as "Sorority Row", "Burning Bright", "Mother's Day", "The Devil's Carnival", its sequel, "", "Stash House", "Mine Games", and the second season of "".
Document 5: Sabrina Bryan: Reba Sabrina Hinojos (born September 16, 1984), better known by her stage name Sabrina Bryan, is an American singer, actress, author, songwriter, fashion designer, choreographer, dancer, and television personality best known as a member of the girl group The Cheetah Girls, and for starring in the Disney Channel Original Movie of the same name and its sequels, "The Cheetah Girls 2" and "". Before she appeared on television, Bryan was a dancer, and trained at Hart Academy of Dance, located in La Habra, California.
Document 6: The Princess Diaries, Volume XI: Royal Wedding: The Princess Diaries, Volume XI: Royal Wedding is a book in the "Princess Diaries" series. Written by Meg Cabot, it was released on June 2, 2015 by William Morrow and is the first adult installment of the series. The book takes place 8 years after the previous book.
Document 7: The Princess Diaries, Volume V: Princess in Pink: The Princess Diaries Volume V: Princess in Pink, released in the United Kingdom as "The Princess Diaries: Give Me Five", is a young adult book in the critically acclaimed "Princess Diaries" series. Written by Meg Cabot, it was released in 2004 by Harper Collins Publishers and is the fifth book in the series.
Document 8: The Princess Diaries, Volume VII: Party Princess: The Princess Diaries, Volume VII: Party Princess, released in the United Kingdom as The Princess Diaries: Seventh Heaven, is a young adult book in the critically acclaimed "Princess Diaries" series. Written by Meg Cabot, it was released in 2006 by Harper Collins Publishers and is the seventh novel in the series.
Document 9: Reby Sky: Rebecca Victoria Reyes-Hardy ( ; née Reyes; born August 6, 1986) is an American model, actress, television personality, dancer, and professional wrestler. She was previously signed with Total Nonstop Action Wrestling (TNA, now known as Global Force Wrestling), before leaving the company in early 2017.
Document 10: Princess of Gossip: Princess of Gossip is a young adult novel by Sabrina Bryan (The Cheetah Girls, Dancing with the Stars) and Julia DeVillers (How My Private, Personal Journal Became A Bestseller). The book, published by MTV/Simon & Schuster was released on October 7 and sold out on Amazon.com on the first day.
Document 11: Gossip Girl (novel series): Gossip Girl is an American young adult novel series written by Cecily von Ziegesar and published by Little, Brown and Company, a subsidiary of the Hachette Group. The series revolves around the lives and romances of the privileged teenagers at the Constance Billard School for Girls, an elite private school in New York City's Upper East Side. The books primarily focus on best friends Blair Waldorf and Serena van der Woodsen, whose experiences are among those chronicled by the eponymous gossip blogger. The novel series is based on von Ziegesar's experiences at Nightingale-Bamford School and on what she heard from friends.
Document 12: Sabrin Saka Meem: Sabrin Saka Meem is a Bangladeshi actress and television news presenter. Meem got the break-through as a child artiste when she became the champion at the national contest "Notun Kuri" in 1995. She is currently a television news presenter on ATN News.
Document 13: Melissa Joan Hart: Melissa Joan Hart (born April 18, 1976) is an American actress, voice actress, director, producer, singer, fashion designer, and businesswoman. She is known for her title roles in the sitcoms "Clarissa Explains It All" (1991–1994), "Sabrina the Teenage Witch" (1996–2003), and "Melissa & Joey" (2010–2015).
Document 14: The Princess Diaries, Volume X: Forever Princess: The Princess Diaries, Volume X: Forever Princess is a young adult book in the "Princess Diaries" series. Written by Meg Cabot, it was released on January 6, 2009 by Harper Collins Publishers.
Document 15: Sabrina Salerno: Norma Sabrina Salerno (born 15 March 1968), also known in her singing career as Sabrina and Sabrina Salerno, is an Italian singer, songwriter, record producer, glamour model, actress and television presenter.
ground_truth: Sabrina Bryan