Today may be the first day of fall, but we're still holding on to dear summer with gorgeous weather ahead in the forecast.

And to celebrate the start of a new season, StyleList is giving five lucky readers the chance to win an autograph Gwen Stefani Harajuku Lovers Sunshine Cuties fragrance.

Stefani worked with a team of perfumers to ensure that each eau matched the dolls' adorable personalities including:

• Love: fruity floral
• Lil' Angel: citrus vanilla
• Music: sensuous floral
• Baby: dewy floral
• G: creamy musk

Dressed in itty bitty bikinis paired with bright red pouts and manicured toes, these perfumes are a must-have for your scent collection. Here's how to enter:

• Follow us on Twitter (www.twitter.com/stylelistsays) and send us a tweet with hashtag #gwenstefanigiveaway telling us your favorite summer style memory.
• The tweet must be left by 12pm EST on Monday September 28, 2010. 5 winners will be chosen at random.
• You may enter only once. Five winners will be selected in a random drawing.
• Five winners will receive one autographed fragrance from the Harajuku Lovers Sunshine Cuties collection (valued at $30).
• Open to legal residents of the 50 United States, the District of Columbia, and Canada (excluding Quebec) who are 18 and older.
• Click here for complete official rules.

Want more Stefani? Check out StyleList's exclusive interview with the rocker-designer mom!