Fans of 'The Bachelor' have taken note of Madison Prewett's mascara -- and figured out which brand the 23-year-old reality star prefers. Mascara may be the most important accessory for a “Bachelor” contestant. Though viewers are divided on whether they actually like Prewett’s super-long, thick eyelashes, everyone can rest easy — thanks to blog Big Blonde Hair — knowing that her secret is Maybelline New York Lash Stiletto Ultimate Length Waterproof Mascara, which clocks in at less than $10.