In the scene when Hallie (playing as Annie) and Liz (the mom) were walking to the photo shoot, they're walking across the street. It goes into a freeze frame while playing 'Here Comes The Sun', that was a Beatles song and the Beatles took a picture in those exact poses.

The hotel in San Francisco where they're all supposed to meet is the Stafford Hotel. Stafford was the name in the original film, of the boyfriend that twin Sharon, playing Susan, makes up to excuse talking to her mother about her father. Submitted by BGTerri

As Hal meets Meredith coming out of an elevator in the hotel, she is mumbling "Let's Get Together", which was a song from the original movie.

The actor who plays the boy accidentally placed at the all-girls-camp is Lindsay Lohan's brother.

The actress who plays Meredith's mom is the same woman who played Vicky in the original film.

Hallie and Annie are named after Nancy Myers' children. Hallie plays a girl at Camp Walden who asks where one of the camp cabins is located, and Annie plays an employee at the Stafford Hotel who brings Elizabeth a First Aid kit Submitted by Cubs Fan

Lindsay Lohan's Mum, two brothers and sister were seen in the airport when she was doing her hand shake with the butler. Submitted by Stephen Edmonds

At Camp Walden, when Marvas Sr. and Jr. get dumped in chocolate, the actresses were covered in real chocolate. Submitted by Cubs Fan

The director Nancy Meyers has her two daughters playing in this movie. Submitted by Stephen Edmonds

The street Hallie and her mom are walking across is a remake of Abbey Road, recreating everything from the people to the cars, etc. Submitted by Stephen Edmonds