After portraying several obscure roles, she was cast in the 2009 film Mammoth with Mexican actor Gael García Bernal and American actress Michelle Williams.

After finishing high school at St. Jude Academy in Valenzuela's Malinta district, she pursued creative writing for Tagalog komiks and romance novels.

When the komiks industry went downhill, she then shifted to acting for theater where she was trained by senior thespians Cecile Guidote-Alvarez and Angie Ferro.

[1] In Mammoth, Necesito portrays the role of Gloria, a mother of two sons who leaves the Philippines to work as a nanny of the daughter (Sophie Nyweide) of an American couple played by Gael García Bernal and Michelle Williams.

When Bernal's character goes to Thailand for a business trip, he decides to change his life that would set off a chain of events that impact the rest of the family, including Gloria.