How do I prove the police officer that arrested me was judging me by my looks?

I got pulled over for a DUI a year ago. Worst night of my life. 2 female police officers- I know this sounds very vain but where overweight,average looking& young.Excessive force was used, i fully complied, I was yelled at, told I would be in for it tonight and the officer also said " you may get your way every day of ur life but its not happening tongiht" she made the umption that I get my way always maybe based on my looks. She also threw stickers at me that were on the floor that she thoguht I put there in the hospital (long story) & said "Is this how you live? Everyone just picks up after you dont they?" she terrorized me. I felt like she was one of the teenagers that didnt fit in or lacked self esteem and it was her chance to get her revenge and make my night a nightmare. She judged me by my looks ( I am small & I model) She had hatred in her eyes, I was terrified and still have nightmares about her. The 1st court apperance she made fun of me to the other officers while I was only a few rows behind, She is a younger officer. I am 24 she is probably late 20s and I feel she treated me the way she did for her own personal reasons. How can I prove this come trial time? Is it considered police misconduct? Discrimination? Also I apologize if I sound vain but I have always been judged in life for the way I look and I feel it very unfair. Thanks