l'avete vista

you have seen her/it

→ lo
phrase Uncommon #19,086
you have seen her/it Used with voi, the plural or formal form of “you.” The feminine ending in vista refers to a feminine person or thing previously mentioned; l' can mean “her” or “it.”
IT: L'avete vista alla festa ieri sera?
EN: Did you see her at the party last night?

L'avete vista, vero?

You saw her, right?

Lena si unirà a voi, l'avete vista.

Lena will join you; you've seen her.

— Loveless (2017)

L'avete vista di recente?

Have you seen her recently?

Quando l'avete vista?

When did you see her?

L'avete vista prima?

Did you see her before?

L'avete vista ieri sera?

Did you see her last night?

L'avete vista spesso?

Have you seen her often?

L'avete vista andarsene?

Did you see her leave?

Quando l'avete vista danzare con lui?

When did you see her dance with him?

L'avete vista la scorsa notte?

Did you see her last night?

Anche voi l'avete vista.

You saw her too.

L'avete vista?

Did you see her?

— Il favoloso mondo di Amélie (2001)

L'avete vista funzionare?

Have you seen it work?

L'avete vista questa mattina?

Did you see her this morning?

L'avete vista in giro?

Have you seen her around?

— The Way He Looks (2014)