She scraped her blonde locks away from her face and up in a bun.
She also covered her eyes with a pair of sunglasses.
According to The Sun, the pair have now confirmed their romance to family and friends, and she has told her bosses at celebrity agency James Grant Management.
A source told the paper: "They've adored each other for years and people have often thought they were together - but it's only recently they finally became an item.
Declan Donnelly might only have eyes for girlfriend Ali Astall but we can't take ours off her amazing dress!
It's normally Ant who is stuck to Dec's right hand side, but Ali looked right at home wearing this structured print dress.
Their foolish capers were one of the best parts of the show but Arg has taken up the mantle of TOWIE's resident laddish ladies man since his bezzie vacated the position.As for those who were invited, an insider told The Sun: "It's a lovely group of people who have been close to Dec and Ali for years.It felt right for him to go back to Newcastle because Dec is such a proud Geordie.She proves that print isn't something to shy away from, even for a red carpet event in this leopard and floral hybrid, which we just love.It's by Whistles, a brand that's on a bit of a winning streak at the moment.Just pair yours with pointed pumps (and preferably a date like Dec! Declan Joseph Oliver 'Dec' Donnelly, OBE (born 25 September 1975) is an English television presenter, producer and actor, best known as one half of the British acting and TV presenting duo Ant & Dec, with the other being Anthony Mc Partlin.Among guests at the ceremony were Phillip Schofield, Holly Willoughby, Tess Daly and Paddy Mc Guinness.Speaking after the nuptials, Ant gushed: "She [Ali] looked amazing."It was very emotional, I was really emotional. Ant and Dec arrived at the church in style, kitted out in royal blue Tom Baker suits as they pulled up in a snazzy Aston Martin Vanquisher Carbon.Declan Donnelly seems to have finally found love again, as it has been reported he is dating his long-term manager Ali Astall.The 'Britain's Got Talent' host - one half of Ant & Dec - is said to have grown close to Ali after ten years of working together, and the couple have enjoyed months of secret dates.