If you don't have time to watch the whole programme, don't worry.
While it's unclear how the princess will style her hair on her October 12 wedding day (will she debut her own take on the messy bun, à la Meghan Markle?), she's been known to wear her hair in a curled blowout parted on the side.
The wedding is being screened in full on ITV from 09:25 BST as part of a three-hour special of the daily magazine show, This Morning.
Eugenie and the groom, Jack Brooksbank, will be taking a carriage ride through the streets of Windsor.
Eugenie and Jack will exchange vows at the same venue where her cousin, Prince Harry, married Meghan Markle almost five months ago, so we already have an idea of what the ceremony will look like.
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The Duke and Duchess of Sussex had the same rule at their wedding back in May.
Her elder sister Princess Beatrice, the maid of honor, will also deliver one of the readings, an extract from "The Great Gatsby".
Eugenie is following tradition by not revealing who designed her wedding gown, but she has said it will be a British designer.
The luncheon with the queen is expected to be a quiet, muted affair - reflecting the 92-year-old monarch's advanced years - with the nighttime shindig seen as a chance for the younger generations to step out in style. He and his mother cultivated a strain of cannabis called Markle Sparkle prior to the royal wedding.
There has been some criticism about the cost of security around the event, which will be paid for by the taxpayer like all royal events.
"We are getting a lot of American and Chinese and Spanish visitors", Jag Khaira at the Nell Gwynn Tearoom told the AP.
But one thing we do know for sure: This new hair color will look even better topped with a veil during Friday's ceremony.