This is a pdf pattern for a gorgeous little girl's top created by Alana of Never Not Knitting.  This top is knit in one piece top down with dk weight yarn in sizes 3mo, 6mo, 9mo, 12mo, 2, 3, 4, 5, and 6.  

Size: 3 months [6mos, 9mos, 12mos, 2, 3, 4, 5, 6,]

Finished measurements:

Chest: 17 [18, 19, 20, 21, 22, 23, 24, 25] inches (0 inches of positive ease)

Length: approx 10 [10.5, 11, 11.5, 12, 13, 14, 15, 16] inches after blocking

Materials:

Rowan Calmer  [175yd/160m per 50g skein, color: #482; 2 [2, 2, 2, 2, 3, 3, 3, 3] skeins OR approximately 270 [285, 300, 315, 330, 350, 370, 390, 420] yds of any dk weight yarn 

1 #16" US #6/4mm circular needle for smaller sizes 

1# 24" US #6/4mm circular needle for larger sizes

1# 16" US #5/3.75mm circular needle for neck and sleeve edging

US #5/3.75 double pointed needles for smaller sizes

Stitch marker

One medium button

Tapestry Needle

2 pieces of scrap yarn to serve as stitch holders

Gauge is 24 sts/36 rows = 4" in stockinette stitch on size 6 needles