Share She made a subtle nod to getting back into a routine with a flexed muscle emoji written after 'Lol it's time tho.' Katherine announced the birth of her third son with AJ, a free agent who was previously signed with the Houston Texans, in April. Beautiful: The 31-year-old model wrote that she's in no hurry to return to any predetermined size as she posed for a quick video shared to Instagram 'Six weeks post, 25 pounds over,' she wrote. 'Not trying to rush anything, but I am not trying to spend $$$ on a whole new wardrobe. 'I'll wear these @Spanx leggings til they rip'