5. Frank Ocean's performance of "Forrest Gump" was visually stunning, though his vocals were off-key.

4. Justin Timberlake's much-hyped comeback was a visual feat with home viewers watching a sepia-toned version of a large portion of the performance.

3. In accepting her award for Best Pop Vocal Album, Kelly Clarkson claimed to have no idea who the R&B singer Miguel was, who had just performed moments earlier.

2. While most of the night's wild moments were digitally created, the members of fun. were soaked in real water in a rain simulation at the end of their performance.

1. Bruno Mars kicked off a tribute to Bob Marley with his hot single "Locked Out Of Heaven," and was joined by a bass-wielding Sting. Controversy has surrounded Mars since the single's release -- many claim he lifted the ultra-catchy hook from Sting's band, the Police.