► 接続詞おまけに  [おまけに]  [coll]    
meaning:  also  rank: 2☆ 
彼女はすごい
美人で、おまけに
頭が
良いと
来ている ⇨ She is very pretty, and on top of that very smart  
(☛ Usually used to further bolster the previous sentence)More examples:- パソコンを買ったらおまけにスピーカーをくれた ⇨ I bought a PC and they gave me speakers as an extra