I don't know if it's just me, but has she had a breast reduction ? I reckon so from the look of these ;
http://www.bigtit-movies.com/big_tits/PennyPorsche_5/Penny_Porsche_12.html
http://www.bigtit-movies.com/big_tits/PennyPorsche_5/Penny_Porsche_12.html