Note : CS = cluster sts = 1 DC, CH2, 1DC

With Pink
R1 - 80 Foundation SC, Ch2 turn (80)

R2 - HDC X 12, CS, HDC X 14, CS, HDC X 24, CS, HDC X 14, CS, HDC X 12, Ch2 turn (76 + 4 CS )

R3 - DC X 13, CS, DC X 16, CS, DC X 26, CS, DC X 16, CS, DC X 13, Ch2 turn (84 + 4 CS )

R4 to R10 - DC on each sts and CS on every Ch2 space - each row increase 4 sts. (144 + 4CS)

R11 - DC till the first CS, Ch3, skip 30sts. DC from the CS till the next CS, Ch 3, skip 30sts, DC from the CS till end, (84 + 6 chains)

change to Grey Ch2 turn
R12 to R14 - DC all round (90)

change to Pink and working in round
R13 - TC X 11, CS, TC X 21, CS, TC X 22, CS, TC X 21, CS, TC 11, joint Ch2 (86 + 4CS)

R14 to R25 - TC on each sts and CS on every Ch2 space - each row increase 4 sts. (134 + 4CS)

change to Grey
R26 to R29 - TC on each sts and CS on every Ch2 space - each row increase 4 sts. (154 + 4CS)

R30 finish up with SC all round

On top, finished with SC all round, when reach CS 3 single crochet together

Note - chain a long tail on both top angle for secure with bow instead of button as baby laying more, button may not comfortable.