Tupac Shakur (as 2Pac) featuring Dr. Dre and Roger Troutman

Tupac Shakur (as 2Pac) featuring Dr. Dre and Roger Troutman has 2 songs that have been featured in movies like Battle Los Angeles, Marmaduke, Valentine's Day and Bucky Larson: Born to Be a Star. What is your favorite song by Tupac Shakur (as 2Pac) featuring Dr. Dre and Roger Troutman?