According to royal watchers, Prince Harry opted not to take his girlfriend to the service as this would have sent a strong signal that he is likely to propose soon - something he wants to do in his own time.
Prince William exited the church with his brother-in-law, James Middleton, as he joined fellow guests in the garden.
Pippa had kept the identity of her wedding designer a secret until she stepped out wearing a fitted, dramatic frock by English designer Giles Deacon.
Middleton, 33, was accompanied by her father, Michael, as they arrived at the church which is not far from the Middleton family home in a vintage 1951 Jaguar vehicle.
The reception lasted two hours and the happy bride and groom were later spotted driving away in an E-type Jaguar convertible to cheers from well-wishers.
It is understood she will only attend the private reception which will be held on the Middleton's estate inside in a glass marquee shipped in from Belgium.More news: Braves acquire Matt Adams in trade with Cardinals
More news: Paul George: George's fate could be determined Thursday
More news: Fallen officers, families left behind, remembered
Duchess of Cambridge, Kate Middleton, was reportedly a little anxious that her children might misbehave at her sister Pippa's wedding, according to news reports, but it turns out that the royal children were on their best behavior - and they almost stole the show. It wasn't much, but for you, loyal readers, we've compiled everything we know so we can all get our fix of the latest royal-adjacent wedding news.
She focused on making sure the young page boys and bridesmaids behaved, once raising her finger to shush the rambunctious youngsters.
The pair were seen smiling as they drove to the reception for the new bride and groom who tied the knot at the picturesque St Mark's church in the Berkshire village of Englefield.
The Prince left the afternoon celebration early to drive to London and back to collect Miss Markle from Kensington Palace, according to the Sun on Sunday.
The mother of the bride, Carole Middleton, waved to cameras as she arrived at the church with Pippa's brother, James, on her arm. Other guests included Roger Federer, his wife Mirka and Princess Eugenie.