Sheikha Estarija Ritualo (born August 13, 1999) is an aspiring Filipino singer based in Dubai. The second among 3 daughters of Ms. Winnie Estarija and Mr. Jaime Ritualo, Sheikha is raised in a musically inclined family where both of her parents sing, as well as her 2 other sisters. She appeared as one of the guest singers during The Fridge's "Starz with Stars" and doing a duet with Mr. Jeremiah John, one of Dubai's top performers. In February 28, 2014, she bagged the Kidzania Superstarz 2014 as champion and also became a member of Diverse Choreography's musical theater. She's one of the performers of Diverse's #SaySomething Musical held at Madinat Jumeirah last June 20- 22'14 and had a solo act singing Lady Gaga's Paparazzi. Sheika also performed as guest singer for Filipino crowd during competitions. She plays the piano and guitar and do cover songs from different genre ex: acoustic, pop, ballad, r n b. Highly influenced by the music of Alicia Keys and Whitney Houston, Sheika challenges herself to adopt their style of music but has learned to create her own by attempting to arrange popular songs into her own style.

It was an achievement as well for Sheika to be commended by American Idol Chris Medina for her cover song of Ed Sheeran's Thinking Out LOud. This pave the way for her to do more cover songs but still wants to work on some original material in the future.

Breakthrough Entertainment gave her the opportunity to sing an original composition from her music teacher and mentor, Maristela Garupa Tenoso. This paved the way for her to try new things in the field of music which is composing. Besides her work in the entertainment scene, Sheika has the heart to share her talent in charity events by raising funds for fellow Filipinos who are in need financially for medications.