Ridden by Eddie Castro, Better Lucky completed a mile in 1:34.18 to win the Matriarch and returned $72.20.
"My filly gave me a real nice kick and that was good enough to win today," Castro said.
Tiz Flirtatious, who finished 2 1/4 lengths ahead of Summer Soiree, returned $8 and $5.80 while Summer Soiree paid $9.
Meanwhile, Unbridled Command completed the 1 1/4 miles in 2:01.07 to take the Hollywood Derby. The $150,000 payday increased his bankroll to $469,040.
Ridden by Javier Castellano, Unbridled Command paid $16, $7.20 and $6.
"He just matures from race to race to race," trainer Tom Bush said. "I couldn't dream of a horse developing any nicer than this horse. He's really gotten special."
Grandeur, the 7-2 favorite, rallied for second place and paid $4.80 and $3.60. Lucky Chappy was a head back and returned $7.60 to show.