She’s stronger than yesterday. Britney Spears took to Instagram on Thursday to share a clip from the early aughts drama, “Crossroads,” and deftly slam mom Lynne, to boot. “Scene in a movie I did a ways back,” the “Stronger” singer, 40, captioned the clip. “When I realized my [character’s] whole journey to find my mom … and she doesn’t want to see me !!! I know … PRETTY F—KING SAD !!! I mean … Psss I mean it’s actually less worse than what my mom did to me in real life so️ …” The scene shows Spears’ character, Lucy, in the bathroom tearfully explaining that her mother “never wanted me. …