Meghan Markle reportedly wears a black dress to Pippa Middleton's wedding reception

When Pippa Middleton and James Matthews officially wed on Saturday, everyone had one question: Where was Meghan Markle during the morning ceremony? Prince Harry's girlfriend apparently decided to stay away for the first portion of the big day as to not upstage the guests of honor.

SEE ALSO: Hats of all different kinds were worn at Pippa Middleton's wedding

However, the "Suits" actress did attend the reception with her royal boyfriend -- and rumor has it that she wore a "demure long black dress, sunglasses and a white jacket." Now, we don't have a clear look at Markle's ensemble, since the only photo of her that's surfaced thus far is one of her and Harry pulling up to the reception in a car. See the photo here.

WEDDING PHOTOS: Take a peek inside the big day

According to the Sun, though, Markle's outfit is being called a "fashion faux pas," as black is usually considered too "somber" to be worn to an occasion as jovial as a wedding. The actress' supposed outfit isn't the only one receiving criticism; Duchess Kate's pale pink, Alexander McQueen gown has been called "matronly".

You win some, you lose some, we guess.

See Pippa and Kate together at the wedding: