My Bestfriend's Girlfriend
- År: 2008
- Land: Philippines
- Genre: Komedi, Romantik
- Studio: GMA Pictures, Regal Entertainment
- Nyckelord: jealousy, philippines, love, relationship, break-up, love affair, ex-boyfriend ex-girlfriend relationship, pretend relationship, pretend lover
- Direktör: Mark A. Reyes
- Kasta: Marian Rivera, Richard Gutierrez, Ehra Madrigal, JC de Vera, Pilar Pilapil, Deborah Sun