Junie B. Jones, who is almost six leaves no advantages to behave like a grown-up lady, which is to prove to her mother and family, she is capable of handling older people’s stuff. When the good news comes out that Junie’s aunt Flo is getting married, Junie decides to become the flower girl of the wedding as it is an ideal way to prove to her family she’s a grown-up lady.“A flower girl is the very first person to walk down the aisle at the wedding, they carry a flower basket and throws the petals all over the floor.” However, when she asked her aunt to be the flower girl, Junie became miserable that someone else was going to be the flower girl. To make the situation slightly better for the poor girl, Aunt Flo decided to make Junie the alternate flower girl. Junie became excited and wished that Bo (the flower girl) isn’t able to reach the wedding just days away so she can take Bo’s part to prove that she is a grown-up lady. On the wedding day, Junie B. Jones was all dressed up like a flower girl. She had figured out Bo was here ready to do her job. Thereafter, Bo was throwing petals over the floor, she reached Junie which after a while of getting into a fight, Junie got a few petals to throw to make things finer for Junie. The book ends successfully, as Junie and Bo become friends and Junie learns that it’s fun to be little, and she shouldn’t be acting like a grown-up lady!