'Rich Kids Of Beverly Hills' Season 3: Brendan Fitzpatrick Proposes To Morgan Stewart [VIDEO]

Brendan Fitzpatrick proposes to Morgan Stewart on tomorrow night's Rich Kids Of Beverly Hills.

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After revealing his proposal plan to his mother, who immediately bursts into tears with excitement, Fitzpatrick surprised Stewart during what she believed was a magazine cover shoot.

"What are you doing?" Stewart asks Fitzpatrick in the E! News sneak peek. As he walks towards her, the photographers from the OK! Magazine shoot disappear, leaving her in a state of shock.

Brendan Fitzpatrick Prepares To Propose To Morgan Stewart On 'Rich Kids Of Beverly Hills'

Morgan and Fitzpatrick, who've starred in full-time roles on The Rich Kids Of Beverly Hills since the series began, became engaged in early March of this year, as they filmed for the series' third season.

"Morgan Stewart and Brendan Fitzpatrick are officially getting married!" E! News reported at the time. "Brendan popped the question at San Ysidro Ranch in Montecito, CA while overlooking the ocean! Morgan's gorgeous oval ring is 4.01 carats and was designed by Jean Dousset."

"The two are absolutely adorable and hilarious and they have been very open about their plans for marriage on E!'s #RichKids of Beverly Hills! They have been together for a few years now and recently moved in together! They also have two adorable dogs, Baguette and Olive."

The Rich Kids Of Beverly Hills season three airs on Sunday nights at 10 p.m. on the E! Network.