Bake bear cake from firm-textured batter such as pound cake. Trim off ears, muzzle and right hand paw; trim neck area slightly to shape. Position on double cake circle cut to fit.
Outline diaper area with tip 3. Pipe tip 8 ball nose and toes. Pipe tip 3 dot eyes and pupils (flatten and smooth with finger dipped in cornstarch)
Outline mouth with tip 3. Cover diaper area and body with tip 13 stars; add eyebrows and eyelashes with tip 1 strings.
Attach pink star to body and bow to head with icing. Outline hands and arms with tip 13; fill in with tip 13 stars, overpiping hand holding star with another row of tip 13 stars.
For hair, tint 2 1/2 in. ball of fondant yellow, roll out on surface covered with confectioner's sugar. Using ruler and pizza cutter, cut 4 to 5 in. long x 1/8 in. wide strips.
Wrap strips around pencil to curl; let set 10 minutes and attach to head with icing, strand by strand.