Selena Gomez's Standout Street Style Moments

Gomez headed to lunch in L.A. looking chic with sleek tresses, reminiscent of J.Lo's recent cut, and wearing a classic cool girl ensemble: dark wash J Brand skinnies that she cropped herself ($188; nordstrom.com), a plain white tee, round-lensed sunnies, and a pair of white crocodile slip-ons ($199; stuartweitzman.com).

Gomez looked effortlessly cool while strolling through Buenos Aires with her boyfriend, The Weeknd, in a black striped Isabel Marant dress ($1,350; available in beige at bergdorfgoodman.com), white Converse Jack Purcell sneakers ($65; nordstrom.com), and round sunglasses. For a similar strappy black patterned sundress, try this look via Topshop ($75).

Gomez surprised high schoolers, with help from Coach and the charity Step Up, and discussed female empowerment with the young students. She looked casual and cool in a pair of dark wash, cropped jeans, a white tank, and a floral jacket (try a similar rose-print bomber here).

Gomez was spotted leaving a pilates studio after a workout with some friends in a pair of black leggings from Alo Yoga ($82; nordstrom.com) and a baby blue crop top.

The singer was spotted out in New York City on Valentine's Day wearing a red hot dress and animal print sandals. She topped off her outfit with a cool black leather jacket.

Gomez braved the New York City snow in a chic winter white coat that featured a delicate bow accent at the waist. She paired the topper with a contrasting pair of black skinny pants and matching boots, and finished her ensemble with a white leather bag and red sunnies.

The singer stunned in N.Y.C. in a mustard-colored ribbed Victoria Beckham dress with a red collar and cuffs. She paired the look with leopard-print sandals and loose, sexy waves.

Gomez radiated in a black and white cut-out Proenza Schouler dress paired with black sandals.

Gomez turned heads in the Big Apple in a flirty floral dress and too cool red bomber jacket that we can't get enough of. She completed her winning outfit with towering black heels and matching red sunnies.

The star was spotted at LAX Airport flaunting her toned midsection in a cropped black top and kick flare patchwork jeans. She topped off her look with a coordinating black coat, slingback heels, a neutral leather bag, and red sunglasses.

Gomez showed off her unique sense of style in Los Angeles when she donned a dinosaur-adorned Coach sweater ($695; spring.com) over a white turtleneck. High-waisted jeans, rose-hued sunglasses, and Kurt Geiger pumps ($230; kurtgeiger.us) balanced out her ensemble.

Gomez was spotted hitting the town in a chic black number made up of a wrap top with choker details, matching trousers, and strappy heeled sandals. A black leather bag and red manicure completed her Los Angeles-ready outfit.

The "Same Old Love" singer stepped out on in a seriously chic pajama set: a navy and purple patterned silk set, featuring white trimming and buttons from Olivia Von Halle (oliviavonhalle.com; $423). She paired the set with a black duster coat and traditional black pumps from Casadei, wearing her dark brown hair in a low ponytail, and carrying a black wallet clutch.

To travel through LAX Airport, the actress opted for a cozy ivory sweater, skintight leather pants, and chunky black boots. Dark shades and a delicate necklace accessorized her classic look.

While hanging out with friends in Australia, the star wowed in a black slipdress and coordinating coat that she draped over her shoulders. A pair of suede boots and bright orange nail polish topped off her number.

The singer touched down in Tokyo wearing a ribbed black crop top that showed off her super toned abs. She paired the piece with a matching cropped denim jacket, olive green Vetements drawstring sweatpants, and black Converse sneakers.

The "Hands to Myself" singer channeled a '70s look in Los Angeles, styling her long hair and heavy bangs into a sleek 'do. Gomez flaunted her toned abs in a tiny gray crop top, which she paired with fitted black trousers, black loafers, and a glittery statement necklace. She finished off her retro-inspired ensemble with a denim jacket that she wore off her shoulders.

The 23-year-old donned an oversize Guns N' Roses graphic T-shirt and light blue bootcut jeans at LAX Airport, topping the look with black patent heeled boots, a black leather tote bag, gold aviator sunnies, a chic metallic watch, and rockstar bangs.

Gomez hit the streets of New York City in an eye-catching red satin dress and metallic heels. Statement earrings and a coordinating cuff finished off her dazzling look.

The pop star sensation looked to Marques' Almeida for a tailored menswear take on classic denim. She breezed through airport security in Miami rocking an ab-baring bralette and slim-fit jeans styled with a matching frayed duster and simple sandals.

The star gave ruffles a sexy spin with this plunging red-hot Giambattista Valli number that she donned in Paris. She topped off the dramatic plunging frock with a sleek topknot.

Gomez attended a Louis Vuitton dinner party in Paris, where she opted for a sophisticated (yet sexy) strappy black Vionnet gown with a gauzy sheer overlay and Soebedar black mesh pumps.

Selena arrived in Paris clad in a cozy pair of red Vetements sweats for the city's Fashion Week activities. She dressed up the comfy hooded logo-print sweatshirt and drawstring track pants with white heels.