IF WE LEARNED anything from Heidi Pratt (née Montag) during her time in The Hills, it’s that the wedding cake is the most important part of the whole damn wedding shebang.

In fact, the scene where she describes her dream cake to her sister-in-law, Stephanie, was quite… something.

Like, white chocolate, mousse, truffle, vanilla, you know, with the berries in it. A princess cake. Like, I want it to be the best cake anyone’s ever had, because that’s the most important part, you know, of the whole thing, really.

And while we never thought we’d use Heidi Pratt and Serena Williams in the same sentence, it seems they may be on the same page on this one.

While appearing on Good Morning America, the Grand Slam winner was quizzed on her best friend Meghan Markle’s upcoming nuptials.

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And it sounds like Serena knows what’s what when it comes to a bride’s priority on the big day.

Speaking to her host, Serena, who got married last November, focussed in on her biggest wedding day regret.

I just think it’s so important to enjoy the moment. And eat the cake – I didn’t get to eat mine at the wedding. We were just having so much fun.

When pressed on the issue, Serena kept a little more schtum, throwing out the standard media-savvy responses about the wedding of the year.

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I’m obviously super happy for her. She’s such a great girl and she is incredibly nice and I couldn’t be happier for her.

And while Serena is determined her mate chows down on what is exected to be a lemon and elderflower cake with fresh flowers, guests may not be as lucky.

According to Fiona Cairns, who created Kate and William’s eight-tier wedding cake in 2011, the cake isn’t actually served to guests.

Using William and Kate’s reception as an example, she told the press that the cake is more for show than anything.

The actual cake itself, which went on display, was not served at the wedding.

Well, that’s one unholy travesty.