Allison Holker has love and support all around her. The So You Think You Can Dance alum is a pro at making her hectic life look easy while taking care of daughters Weslie, 16, and Zaia, 4, and son Maddox, 8, maintaining her booming career and making sure she’s nurturing her own mental health. Luckily, it’s all thanks to the army of friends and family who help her through it all. Holker chats exclusively with OK! about the people in her life who make sure she’s indulging in self-care, how she got organized to get her kids ready to go back to school and her partnership with Shipt. “I have a beau…