Actress Carey Mulligan has joked about receiving ''15,000'' text messages after her musician husband, Marcus Mumford, was caught on camera yawning at the Duke and Duchess of Sussex's wedding.

The Great Gatsby actress and her hubby, who is lead singer of band Mumford & Sons, attended the wedding of Prince Harry and Meghan Markle at St. George's Chapel at Windsor Castle in May.

During the ceremony, Mumford, who didn't realise he was live on TV, was spotted looking a bit bored and uninterested in the couple's nuptials, but Mulligan insists it was just bad timing.

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Speaking to Jimmy Kimmel, the 33-year-old star defended her husband's yawn, saying: "We were all chatting with my friends and my husband was like, 'Give us a kiss', and I was like, 'I'm not going to give you a kiss there's cameras".

He said, "Well George Clooney is here and Elton John is here and the Beckhams, they're not filming us.'''

Kimmel added: "So when something like that happens and the whole world is watching, did you know he was on?''

Carey replied: ''No we were convinced there were so many absurdly famous people that we were not going to be allowed on camera at all.

''Of course it finishes and we are allowed to turn our phones back on. We have 15,000 messages going, 'Marcus you yawned on TV!' ''

The actress who has children Evelyn, three, and Wilfred, 14 months, with the singer admitted the wedding went on for a ''long'' time and revealed she rushed to the church after spotted Oprah Winfrey's early arrival on TV.

"We all got up at 5.00am but we got to our friends house and we were watching the TV and we saw Oprah going in.

''We were like, 'Of Oprah's there we can't be after Oprah', so we all hustled to the church and we got in but then it was like a two-hour wait for everyone to come.

''It was lovely and atmospheric and beautiful but kind of a long time.''