On next week's season finale of 90210, titled "One Party Can Ruin Your Whole Summer," a pair of significant events take place:

• Adrianna gives birth;
• Brenda returns!

Might these developments be connected? It looks that way.

Click on the photos below for an early look at Tuesday night's finale:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.