This is a regular verb. It follows the conjugation pattern of the verb hablar.
Present:
Maquillo a los actores antes del espectáculo.
I put makeup on the actors before the show.
Preterite:
Ayer maquilló a su amiga para la fiesta.
Yesterday she put makeup on her friend for the party.
Imperfect:
Cuando trabajaba en el estudio, maquillaba a modelos todos los días.
When I worked in the studio, I used to put makeup on models every day.