The Hills Star Heidi Montag's Sister Holly Is Engaged

Another star from The Hillswill soon be walking down the aisle!

Holly Montag, the older sister of Heidi Montag, got engaged to her boyfriend Richie, according to Heidi's tweet on Monday.

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"A HUGE congratulations to my amazing loving sister on her engagement to Richie! Answered prayers! Love you so much & am so ecstatic for you!" she wrote.

Holly, who also appeared on The Hills and replaced Heidi and Spencer Pratt on I'm a Celebrity, Get Me Out of Here, also shared her elation on Twitter. "Happiest girl in the universe!" Holly tweeted on Monday.

The news comes one day after fellow Hills star Jason Wahler got married and Lauren Conrad announced her engagement.