After eloping five months ago in Mexico, Heidi Montag and Spencer Pratt got married Saturday -- and this time, it's official!

ET has learned that the reality TV stars got hitched in Pasadena, Calif., early Saturday evening.

The couple released this statement to ET:

"Today, Heidi Montag and Spencer Pratt joined hands in marriage during an afternoon ceremony at Westminster Presbyterian Church in Pasadena, Calif. Dr. Twining F. Campbell served as pastor in front of 200 family and friends. Afterwards, the newlywed couple enjoyed an intimate reception at the Beverly Wilshire Hotel in Beverly Hills, Calif."

Heidi wore a stunning Monique Lhuillier custom designed strapless dropped waist ball gown with an intricate overlay of silk organza peacock feathers, the designer said in a statement to ET. Her waist was accentuated with a silk chiffon sash, embellished with a floral motif composed of Swarovski crystals and pearls. The look was completed with a chapel length heavily beaded Swarovski crystal veil, the statement said.

Montag wore Neil Lane jewels, which included diamond earrings, hairpins and a pear-shaped, multi-layered diamond necklace. Pratt donned a black suit and borrowed diamond cufflinks from the jeweler, People.com said.

The 22-year-old bride and 25-year-old groom were joined by about 200 guests, including "The Hills" costar Audrina Patridge and pal Frankie Delgado, according to People.com.

People.com reports that prior to the ceremony, an airplane flew by and wrote "Spencer loves Heidi" in the sky. The couple arrived to the ceremony in a white Rolls Royce Phantom.

Montag periodically posted to her Twitter account, at one point writing, "This is going to be the best day of my life," and later posting, "Thank you God for Spencer."

A representative for MTV told ET: "MTV wishes Heidi and Spencer the best and can't wait to share their wedding with 'The Hills' fans later this season."