Read Giuliana Rancic's Sweet Anniversary Message to Husband Bill: 'Best 8 Years of My Life to 100 More'

Giuliana and Bill Rancic celebrated eight years of marriage together on Tuesday, and both shared sweet posts for each other on social media.

Sarah Michelle Gellar's Pledge of Love to Freddie Prinze Jr. on Their 13th Anniversary

Thirteen years ago on Sept. 1, Sarah Michelle Gellar and Freddie Prinze Jr. were married in Mexico. And on Tuesday, Gellar celebrated their anniversary with some heartfelt words for Prinze.

Robert Downey Jr. Celebrates 10 Years of Marriage with Sweet Instagram Post to Wife Susan

A quick scroll through Robert Downey Jr.’s Instagram and it’s clear to see why his wife fell in love with him: his great sense of humor.

But in his latest post, the Iron Man actor, 50, put all jokes aside, taking on a more earnest tone to share just how much he loves his wife in return.

To celebrate his 10th anniversary with wife Susan Downey, the actor posted a cute photo of the two wearing matching black shirts and sunglasses on the beach.

Jim Bob and Michelle Duggar Celebrate 31st Wedding Anniversary in the Wake of 19 Kids and Counting's Cancellation

The Blue Lagoon Turns 35! Christopher Atkins Returns to Turtle Island, Says a 'Flood of Memories Came Back'

Jill (Duggar) and Derick Dillard Share Anniversary Pics on Instagram

Happy anniversary, Jill and Derick Dillard!

Jill (Duggar) Dillard and her husband Derick toasted their one-year wedding anniversary with sweet PDA-filled pictures on Instagram.

Kanye West's Sweet Anniversary Message to Wife Kim Kardashian: 'The Girl of My Dreams'

Kim Kardashian West spent the holiday weekend reliving memories of her wedding to Kanye West a year ago, and on Monday night the rapper chimed in with a heartfelt Tweet of his own.

“Kim, I am so happy to be married to the girl of my dreams,” West, 37, wrote. “I love you and Nori so much!!! I would find you in any lifetime.”

Tori Spelling and Dean McDermott Celebrate 9th Wedding Anniversary with a Kiss (Photo)

Tori Spelling put her troubles behind her as she celebrated her wedding anniversary with Dean McDermott on Thursday.

The mom of four shared a sweet pic on Instagram locking lips with her husband. “9 years ago I married the love of my life,” she captioned the pic.

Residents of Kate's Hometown Hope for a Royal Baby on the Princess's Anniversary

Wednesday marks four years since Princess Kate and Prince William became husband and wife inside London’s Westminster Abbey.

Princess Kate & Prince William Celebrate 4th Anniversary at Buckingham Palace (Still No Royal Baby!)