According to RadarOnline.com, Miss Mulligan and Mr Mumford are getting ready to tie the knot somewhere in the "English countryside" in a mere matter of days - after a nine month romance.
SO, what do we reckon Carey will be walking down the aisle in? (If she is in fact, about to walk down the aisle.) Here are our four predictions:
From L-R: Valentino Couture S/S12, Temperley London S/S12, the bride-to-be, Erdem S/S12, Lanvin A/W12. Photos: Rex/Getty
Place your bets below!
Oh, and if you're sitting there puzzled, racking your brains as to why you've never seen a picture of Carey and Marcus together, that's probably because you've never seen a picture of Carey and Marcus together.
The couple are so fiercely private, that this was the best one we could find:
Photo: Pacific Coast News
We wonder if we'll be able to add Carey into this gallery come Monday?
- Billie and Laurence<p> You can't blame the bride for wearing a coat over her dress as Billie Piper and Laurence Fox married on a chilly New Year's Eve in West Sussex, 2007.</p>

- Charles and Diana<p> Prince William and Harry's parents were married on July 29, 1981. The bride wore a dress by the Emanuel's with a 25-foot train. A might bolt of fabric to haul down the aisle!</p>

- Davina and Matthew<p> Davina McCall looked picture perfect on her wedding day. She married fellow TV presenter Matthew Robertson in Herefordshire on June 29, 2000.</p>

- Gwen and Gavin<p> Gwen Stfani married Gavin Rossedale in London on September 14, 2002.</p> <div> </div> <div> Gwen showed off her individual style in this beautiful ivory and pink creation by John Galliano for Christian Dior. </div>

- Jules and Jamie<p> Jules and Jamie married in Essex in June, 2000 when they were both just 25. Jamie wore a powder blue suit while Jules looked gorgeous in a simple, ivory gown.</p>

- Jennifer and Cris<p> J-Lo married one of her back-up dancers, Cris Judd, in 2001. The singer looked beautiful in her white, lace gown, but unfortunately their marriage was not a success. The couple split after just ten months.</p>

- Kate and Jamie<p> Supermodel Kate Moss wore a Galliano gown when she married rockstar Jamie Hince in a small villiage church in the Costwolds. </p>

- Katie and Tom<p> Katie Holmes and Tom Cruise married in Bracciano, Italy on November 18, 2006.</p> <div> </div> <div> Katie wore an ivory wedding dress by Armani. The gown was adorned with Swarovski crystals, a silk train and a floor-length veil.</div>

- Lily and Sam<p> Lily Allen chose a Delphine Manivet dress for her wedding to Sam Cooper. </p>

- Prince William and Kate Middleton<p> The royal wedding was the biggest of 2011. William and Kate married at Westminster Abbey in front of 300 guests, Kate wearing a beautiful Sarah Burton for Alexander Mcqueen gown. </p>

- Shilpa and Raj<p> Shilpa Shetty wedded businessman Raj Kundra in Mumbai during November 2009. The Bollywood actress shimmered in a gold gown designed by Tarun Tahiliani.</p>

- Tess and Vernon<p> TV presenters Tess Daley and Vernon Kay tied the knot in Horwich, Bolton, on 12 September 2003. Tess chose a simple, strapless gown teamed with a pretty tiara and veil.</p>

Passion for fashion? Follow us on Twitter and become our fan on Facebook

