Karla Estrada hugs Lea Salonga on Voice PH

The former actress braved the stage of “The Voice of the Philippines” on an episode of the singing competition aired Saturday, and performed her cover of the 1992 hit “What’s Up,” originally sung by 4 Non Blondes.

Realizing she made a mistake, Salonga rushed towards the singer and gave her a hug. “Your son is adorable,” she whispered to Estrada.