Kim and Kourtney, two of a kind share two-piece thunder

Reality TV star

Kim Kardashian

had a double dose of thunder for fans on Twitter, posting a couple of snapshots with sister

Kourtney

that capture the siblings in bikinis.

While Kim wears a burnt orange bikini, Kourtney flaunts svelte figure in a glossy black latex two-piece.

"It's a thin line between love and hate," Kim wrote as caption.

The picture seems to be shared from her holiday with her sisters

Khloe

, Kourtney and

Kylie

in Turks and Caicos Islands, where Kylie's daughter

Stormi

turned a year older recently.