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It's sunglasses season! How to find the frame that will flatter your face

Before you pack your bags for the long weekend, you'll need to find the perfect sunglasses. Here's how to flatter your face shape.
/ Source: TODAY

The official start to summer is upon us! But before you pack those bags for Memorial Day weekend, you'll need to find the perfect sunglasses. Style expert Shaunya Hartley joins TODAY Wednesday with tips for the best frames to fit your face shape.

So, how do you even determine your face shape? Start by pulling your hair back and looking straight into the mirror (don't lean over!). Then, use a dry-erase marker to draw the outline of your face on the mirror starting at your forehead. When you take a step back, you'll see what overall form it takes.

Then, simply apply Hartley's tips below!

For round faces (like Michelle Williams):

Michelle Williams
NEW YORK, NY - MAY 06: Michelle Williams attends the 2013 Costume Institute Gala - PUNK: Chaos to Couture at Metropolitan Museum of Art on May 6, 2013 in New York City. (Photo by Dimitrios Kambouris/Getty Images)Getty Images file

For a more circular face, look for an angular frame that will add definition and accentuate your bone structure — square shapes and '50s-style wayfarers are your friends!

For heart-shaped faces (like Reese Witherspoon):

Reese Witherspoon
NEW YORK, NY - MAY 04: Reese Witherspoon attends the \"China: Through The Looking Glass\" Costume Institute Benefit Gala at the Metropolitan Museum of Art on May 4, 2015 in New York City. (Photo by Dimitrios Kambouris/Getty Images)Getty Images file

The heart-shaped face is recognizable for a wider forehead and a pointy chin. The good news: you'll look forever young! Aviator frames are the perfect shape to soften your features and balance your features.

For square faces (like Angelina Jolie):

Angelina Jolie
Angelina Jolie arrives at the 20th annual Critics' Choice Movie Awards at the Hollywood Palladium on Thursday, Jan. 15, 2015, in Los Angeles. (Photo by Jordan Strauss/Invision/AP)AP file

Angular faces work well with soft shapes, like circular frames, since they balance out a strong jawline.

For oval faces (like Beyonce):

LOS ANGELES, CA - FEBRUARY 08: Singer Beyonce attends The 57th Annual GRAMMY Awards at the STAPLES Center on February 8, 2015 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)Getty Images file

Lucky you! Oval faces can pull off pretty much any shape, just be aware that you may need a more delicate frame if your features are small.