Britney Spears feels like "the luckiest girl in the world" to be celebrating her one year anniversary with boyfriend Sam Asghari.
The 'Piece of Me' singer posted a picture of herself and the 23-year-old actor and fitness model enjoying a hike together to a romantic waterfall and paid tribute to him as they marked one year of their relationship.
Britney, 36, wrote on Instagram: "I've been with this man for over a year... everyday he inspires me to be a better person and that makes me feel like the luckiest girl in the world!! @samasghari (sic)"
Sam reposted the picture and message, and responded: "The most beautiful girl @britneyspears."
The pair met on the set of her music video for 'Slumber Party' but did not begin dating until a few months later.
Last year, Britney revealed how she first met her beau.
The 'Toxic' singer shared: "We were doing the scene where I was doing the walk scene through the hall to go through the door to go to the bedroom and we were sitting there and waiting and waiting together for like 20 minutes at a time. We were having to be literally stuck there together, so we were basically forced to talk to each other ...
"I kept his number, and it was so weird -- it was like five months later, and I found his number in my bag. I was like, 'He is really cute. This guy is really cute.' So then I called him, and ever since then ... He is just a really fun, funny person."
Sam is also close to Britney's two sons - Sean Preston, 12, and Jayden, 11, who she has with her ex-husband Kevin Federline, and Sam had previously dubbed himself the "luckiest man on this planet" as he helped Britney and her family celebrate her 36th birthday in December.
He wrote on social media at the time: "HAPPY BIRTHDAY TO MY ONE AND ONLY. Thank you for being you, thank you for showing me the true meaning of a beautiful woman and a strong mother, and most of all thank you for being mine. I consider myself the luckiest man on this planet @britneyspears #luckiestmanalive.(sic)"