<ul class="nav nav-pills">
    <li class="active"><a href="#">Home <span class="badge">42</span></a></li>
    <li><a href="#">Profile</a></li>
    <li><a href="#">Messages <span class="badge">3</span></a></li>
</ul>
<br>
<ul class="nav nav-pills nav-stacked" style="max-width: 260px;">
    <li class="active">
        <a href="#">
            <span class="badge pull-right">42</span>
            Home
        </a>
    </li>
    <li><a href="#">Profile</a></li>
    <li>
        <a href="#">
            <span class="badge pull-right">3</span>
            Messages
        </a>
    </li>
</ul>
<br>
<button class="btn btn-primary" type="button">
    Messages <span class="badge">4</span>
</button>