Together with her father Hajji and his new partner, Rio Diaz, Alejandro and her sister Barni spent time in Manila and the US.

Her theater experience began with The Sound of Music at eight years of age, then Peter Pan at 15, Noli Me Tangere at 18, then Alikabok at 21, followed by Sino Ka Ba Jose Rizal, Larawan, Fire Water Woman, and more recently.

Rachel Alejandro first entered the world of showbiz at the age of 12, when she was a host on the popular TV show That's Entertainment.

(1991), featured a revival of "Nakapagtataka", the signature song of her father, pop icon Hajji Alejandro.

Her 1994 album, Sentimental, featured the multi-awarded song "Paalam Na", which Alejandro co-wrote with then-boyfriend Dingdong Avanzado.

In 1996, Alejandro celebrated her 10 years in showbiz by releasing an anniversary album and appearing in her first major concert, with guests Janno Gibbs, Ogie Alcasid and the Street Boys.

As Alejandro said in an interview with Maryo B Labad, "In the past years, siguro halos lahat nasubukan ko na as far as the entertainment scene is concerned.

[4] She appeared in an Atlantis Production of Aida as Amneris in June 2011[5] and in July 2013, she accepted the role of Justice in a repeat run of Rock of Ages in Manila.