5 year old daughter

Can anybody help me my 5 year old os soo skinny you can see her ribs and shes pale and shes NEVER hungry she can go a day without eating anything and the next day she will take 2 bites out of a pizza and shes done. IM GOING CRAZY!!!! Please help. Worried mom.

    I'd take her to the doctor.
    About lacie argall
    Born: Clermont, Florida
    Current: Groveland, Florida
    Birth: October 16
    On Moms.com since: Mar 18, 2015
    My name is lacie I have a 3 year old daughter named kelsie and I am also pregnant