Bella Hadid worked to tone her supermodel figure at the gym this week and put the fruits of her labor on display in a skimpy athletic ensemble. The 24-year-old stunner stepped out after a sweat session in New York City on Tuesday in a leggy look and flashed her toned abs. Her outing comes after the star shared a gushing message on social media to her niece Khai to celebrate the toddler's first birthday. Fit fanatic: Bella Hadid worked to tone her supermodel figure at the gym this week and put the fruits of her labor on display in a skimpy athletic ensemble on Tuesday The five foot nine catwalker had legs for days in a pair of black spandex short-shorts with a matching black sports bra as she was spotted returning home from the gym. Despite what was likely a grueling workout, Bella looked as fresh as ever makeup free with her hair down. The beauty sported a pair of dark sunglasses, vibrant red sneakers and talk black socks to complete her look. One of the most coveted models in the world, Bella takes her fitness seriously and is frequently spotted going to and from Gotham Gym. Looking good: The five foot nine catwalker had legs for days in a pair of black spandex short-shorts with a matching black sports bra as she was spotted returning home from the gym Impossibly chic: Despite what was likely a grueling workout, Bella looked as fresh as ever makeup free with her hair down The daughter of former RHOBH star Yolanda Hadid was clearly feeling her athletic vibe and snapped a few selfies in a funky orange full length mirror. Later, she looked runway ready as she changed into a fashion forward plaid suit with ruffled lapels. Hadid rocked layered necklaces and a cropped tight white Tee with a large keyhole cutout underneath. Style star: Later, she looked runway ready as she changed into a fashion forward plaid suit with ruffled lapels Runway worthy: Bella, sporting a new pair of sunnies, pulled her brunette hair back in a messy clip and headed out, iPad and notepad in hand Bella, sporting a new pair of sunnies, pulled her brunette hair back in a messy clip and headed out, iPad and notepad in hand. Yesterday Bella took to social media to post a loving tribute to her only niece, Khai, on the little girl's first birthday. 'Happy Birthday to the greatest gift our family has ever been blessed with…. I didn’t know my heart could grow this big!!!!' she captioned a series of photos with Khai. Vibes: The daughter of former RHOBH star Yolanda Hadid was clearly feeling her athletic vibe and snapped a few selfies in a funky orange full length mirror Obsessed! Yesterday Bella took to social media to post a loving tribute to her only niece, Khai, on the little girl's first birthday 'You make me smile when I’m sad and make me cry of happiness just because ur alive,' Auntie B added. 'I can’t wait to watch you grow into the most perfect specimen of all.' Bella also thanked Khai's famous parents, her sister Gigi Hadid and boyfriend Zayn Malik. The former One Direction crooner began dating Gigi in 2015. Though they tend to keep their relationship private, their chemistry was clear when she appeared in his 2017 Pillowtalk music video. 'Happy Birthday to the greatest gift our family has ever been blessed with…. I didn’t know my heart could grow this big!!!!' she captioned a series of photos with Khai. Things weren't all smooth sailing for the couple, however. They split in March 2018 but were spotted kissing one-another just weeks later but continued to court breakup rumors on and off until April 2020, when they announced they were expecting a child together. Meanwhile, Bella has been busier than ever. This week she documented the multiple facets of the modern woman as she unveiled Self Portrait's Spring/Summer 2022 collection. The model sent temperatures soaring in a racy pink mini dress for a series of snaps to officially launch the collection, which aims to portray of joy of 'designing for different women.' Working girl: Meanwhile, Bella has been busier than ever. This week she documented the multiple facets of the modern woman as she unveiled Self Portrait's Spring/Summer 2022 collection All rights reserved for this news site (dailymail) and under his responsibility