'This is what you have to do for sister-in-laws these days, ' she cheekily said as Sophie smiled behind her.
"Setting sail..." the 36-year-old actress captioned a photo of herself in a white sweater while aboard one of the city's canal boats.
The duo, who will each say "I do" to a Jonas Brother, have started using the adorable hashtag #TheJSisters for their social media posts.
Priyanka Chopra's pre-bridal celebrations began with a fabulous bridal shower this week in NY.
Kanye West was advised not to date Kim Kardashian - here's why
In July, Khloe apologized for calling their sister Kourtney the word in her Instagram live stream. People immediately called Kardashian West out on Twitter after she posted the initial video.
Priyanka and Nick are reportedly set to get married on December 2. There were bouquets of pink roses, along with a bucket of champagne and pink-gold balloons.
"#BacheloretteVibes", she wrote alongside the image, before sharing a photograph of a pair of red fuzzy slippers sitting beside a yellow telephone.
More pictures and videos from Priyanka's bridal party show her taking tequila shots, cutting a cake and dancing with her girl squad. The party went down at the at the Blue Box Cafe inside Tiffany's flagship store, which is appropriate, since Nick bought Priyanka's enormous engagement ring from Tiffany's too.
He purchased a $6.5m Beverly Hills home three months before proposing to Priyanka, it has been revealed.
On June 22, Nick and Priyanka travelled to India where they met her mother Madhu. We would love to be a fly on the wall of both weddings.