It was another baby-filled year in Hollywood! The families came to be in a variety of ways, from Sandra Bullock's adoption of baby Louis to Neil Patrick Harris and his partner David having their twins via surrogate. The common tie between them all, however, is love and it's been a treat to see all these stars become moms and dads! So tell us — who is your favorite new parent of the year?
Don't forget to check out all our Best of 2010 coverage across the PopSugar Network!