It looks like Pippa Middleton has finally had a fashion fail. Although the Duchess of Cambridge's little sister was not horribly dressed, her look was rather boring compared to her usually fashion choices.

According to E! News, while Kate Middleton's little sister was attending a friend's wedding in Scotland she rocked her most bland look to date.

The Vanity Fair columnist made the decision to wear a mute olive color scheme during her attendance at the ceremony.

The celebrity news site insists that it is not only color that makes the outfit boring but the empire cut creates a swing shape that isn't flattering on the fit socialite's famous bum.

Pippa Middleton who is rumored to be engaged to boyfriend Nico Jackson finished off her look with a pair of trendy green pumps and a hat that of course made a statement.

[To check out Pippa Middleton's boring wedding outfit click HERE]

In dating news, while an official announcement has not been made about Pippa Middleton's relationship status with Nico Jackson back in January several sources have come forward to address the engagement rumors.

An insider told Us Weekly that the pair got engaged during a December trip to India and claimed they are planning to get married in 2014 at the Middleton family's Bucklebury estate.

Meanwhile, a different source told the Daily Mail that the brunette beauty and her stockbroker boyfriend are not engaged but said it's only a matter of time before the pair tie the knot.

On December 18th, BBC royal correspondent, Peter Hunt tweeted, "Contrary to some reports, Pippa Middleton hasn't become engaged."

Do you think that Pippa Middleton is secretly engaged to Nico Jackson and that she is hiding the truth from the public? Let us know in the comment section below.