Michael Phelps has become one of the biggest stories of the summer Olympics -- again -- and now the attractive "mystery blonde" who has been seen out and about with the most decorated Olympian ever is grabbing a bit of his spotlight.

The website Hollyscoop says Phelps' gal pal is a 25-year-old, Los Angeles based aspiring model named Megan Rossee.

PHOTO: Rossee's hot Model Mayhem photos.

"She and Phelps began dating in January (2012) and things started to heat up just prior to the Olympics," a source told the site. "At the time when they began dating, baseball and television star Doug Reinhardt was crushing on her too, but she chose to be with Michael instead."

[pullquote]

More On This...

Rossee tooka photo of she and Phelps arm in arm in London, along with all of his new Olympic hardware, with the simple caption: “Yay Michael.”

She also hit the red carpet with him Monday night in London at a Speedo event. (Only swimmers and their significant others go to Speedo events.)

Rossee has a page up on the modeling industry site Model Mayhem that provides a few more personal details.

First, she is tall: 5' 9 1/2."

Second, she is an "All-American girl."

Third: “I am super easy going and pretty much down for any type of project (that doesn't involve nudity). I love what I do and hope to further my career as a model as well as a performer, so if you are interested in working with me, send me a message!”

Hollyscoop says Rossee currently bartends at Blok nightclub in Los Angeles, but Phelps wants her to quit her job so she can travel the world with him post-London.

Hmmm ... keep bartending, or travel the world with an American sports hero?

Tough choice.