A consistent honor student, Licaros graduated with honors from elementary school in Assumption Antipolo, and as high school valedictorian at the same school. In 2005, she graduated Summa Cum Laude with a Bachelor of Arts degree in Broadcast Communication at the University of the Philippines Diliman, garnering a General Weighted Average (GWA) of 1.161. In 2009, she graduated salutatorian from the University of the Philippines College of Law.
Licaros was raised in Cainta, Rizal but traces her roots to Cuenca, Batangas. She is the eldest in a brood that includes three brothers. She took the 2009 Philippine Bar Examinations in September and was one of 1451 examinees who passed out of 5,903 examinees when the results were released on March 26, 2010.
The national passing rate for that year"s Bar Exams was 25%.
In 2012, she was one of nine passers of the Philippine Foreign Service Examinations of that year. Licaros was spotted by a talent agent during registration week in law school and was prodded to go to a talent agent for a VTR. During the VTR, the agent broached the idea of her joining the Binibining Pilipinas beauty pageant.
She signed up for the contest and eventually captured the title of Binibining Pilipinas-Universe on March 3, 2007. She was the official representative of the Philippines to the Mission Universe 2007 pageant held in Mexico City, Mexico.
However, she did not place in the top fifteen semifinalists.
In August 2007, she joined the on the Global Media Arts Network"s reality show Celebrity Duets: Philippine Edition. She admitted being a fan of Frank Sinatra, Dean Martin and jazz music, and stated that she would like to perform a rock number on television Licaros became one of the hosts in QTV 11"s Fit and Fab. Anna is now a mainstay of Global Media Arts 7"s sitcom, Show Maine Da Manny in 2010, this was her 2nd Global Media Arts show after Celebrity Duets in 2007.
Currently she is the newest co-host of Andar ng Mga Balita together with Martin Andanar this 2013.
Standing at 5 feet 9 inches, Licaros won a number of special awards during pageant night and her impressive answer to the final question (where she was asked to choose between lovelife or the crown, and she chose the crown), enabled her to win one of the pageant"s three titles. In the Mission Universe 2007 pageant, she won the Mission Photogenic special award via a worldwide internet voting poll. She is the seventh delegate from the Philippines to have won the special award.
