Adrianna grows closer to Javier on the episode aptly titled "Javianna." We're also treated to a classic Naomi meltdown, as viewers must watch this promo for the installment.
Added:

90210 Season 2 Episode 21 Quotes

You're on a diet consisting of low denominational greens. That's fives and tens, sister.

Jen

The only time I ever done it, I was going through a manic phase, so I feel like I'm a virgin again.

Silver