Starfall — Brenda Hiatt

The electrifying conclusion to the Starstruck series!

M, no longer a nerdy nobody, has finally been acclaimed Sovereign Emileia, ruler of the Martian colony Nuath. But at what cost? Without her soulmate Rigel, life seems pointless but she's expected to shake off her heartbreak and assume her responsibilities. Reluctantly, M does what she must until an unexpected discovery restores a glimmer of hope for the future. Now she is determined to do whatever she can to salvage her longed-for happy ending -- if it's not already too late.