Tori Spelling and Dean McDermott (Patricia Schlein/WENN.com)

Reality TV couple Tori Spelling and Dean McDermott put on a united front to renew their wedding vows on Saturday amid reports they're set to split.

The former Beverly Hills, 90210 star and her actor husband sparked fears for their marriage following a series of arguments on their hit show Tori & Dean: Home Sweet Home, and Spelling was forced to speak out.

She said, "Everyone has marital problems... you fight with your partner."

But the pair was keen to prove they are a happy couple, and staged a wedding renewal ceremony on Saturday, according to People.com.

Spelling and McDermott's two children, Liam and Stella, were star guests at the bash in Beverly Hills, California, which came four years after their wedding day (07May06).

And Spelling took to the couple's Twitter.com page on Saturday morning to tell followers of their plans.

In a series of posts, she wrote, "Beautiful day to remarry. Very excited about 2nite. Going out on a limb & saying that it might B the best party I've ever planned vision wise! Chic von chic! Getting ready!" (CL/WNWCPL&WNTWT/ZN